4080987560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{661}}^1$

素因数の和:1099

約数の個数: 128

約数和(自身を含む): 10249666560

約数和(自身を除く): 6168679000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 383, 403, 520, 620, 661, 766, 806, 1240, 1322, 1532, 1612, 1915, 2015, 2644, 3064, 3224, 3305, 3830, 4030, 4979, 5288, 6610, 7660, 8060, 8593, 9958, 11873, 13220, 15320, 16120, 17186, 19916, 20491, 23746, 24895, 26440, 34372, 39832, 40982, 42965, 47492, 49790, 59365, 68744, 81964, 85930, 94984, 99580, 102455, 118730, 154349, 163928, 171860, 199160, 204910, 237460, 253163, 266383, 308698, 343720, 409820, 474920, 506326, 532766, 617396, 771745, 819640, 1012652, 1065532, 1234792, 1265815, 1331915, 1543490, 2025304, 2131064, 2531630, 2663830, 3086980, 3291119, 5063260, 5327660, 6173960, 6582238, 7848053, 10126520, 10655320, 13164476, 15696106, 16455595, 26328952, 31392212, 32911190, 39240265, 62784424, 65822380, 78480530, 102024689, 131644760, 156961060, 204049378, 313922120, 408098756, 510123445, 816197512, 1020246890, 2040493780, 4080987560]

約数ペア:

[(1, 4080987560), (2, 2040493780), (4, 1020246890), (5, 816197512), (8, 510123445), (10, 408098756), (13, 313922120), (20, 204049378), (26, 156961060), (31, 131644760), (40, 102024689), (52, 78480530), (62, 65822380), (65, 62784424), (104, 39240265), (124, 32911190), (130, 31392212), (155, 26328952), (248, 16455595), (260, 15696106), (310, 13164476), (383, 10655320), (403, 10126520), (520, 7848053), (620, 6582238), (661, 6173960), (766, 5327660), (806, 5063260), (1240, 3291119), (1322, 3086980), (1532, 2663830), (1612, 2531630), (1915, 2131064), (2015, 2025304), (2644, 1543490), (3064, 1331915), (3224, 1265815), (3305, 1234792), (3830, 1065532), (4030, 1012652), (4979, 819640), (5288, 771745), (6610, 617396), (7660, 532766), (8060, 506326), (8593, 474920), (9958, 409820), (11873, 343720), (13220, 308698), (15320, 266383), (16120, 253163), (17186, 237460), (19916, 204910), (20491, 199160), (23746, 171860), (24895, 163928), (26440, 154349), (34372, 118730), (39832, 102455), (40982, 99580), (42965, 94984), (47492, 85930), (49790, 81964), (59365, 68744)]