888974320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4339}}^1$

素因数の和:4562

約数の個数: 80

約数和(自身を含む): 2237669280

約数和(自身を除く): 1348694960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 197, 208, 260, 394, 520, 788, 985, 1040, 1576, 1970, 2561, 3152, 3940, 4339, 5122, 7880, 8678, 10244, 12805, 15760, 17356, 20488, 21695, 25610, 34712, 40976, 43390, 51220, 56407, 69424, 86780, 102440, 112814, 173560, 204880, 225628, 282035, 347120, 451256, 564070, 854783, 902512, 1128140, 1709566, 2256280, 3419132, 4273915, 4512560, 6838264, 8547830, 11112179, 13676528, 17095660, 22224358, 34191320, 44448716, 55560895, 68382640, 88897432, 111121790, 177794864, 222243580, 444487160, 888974320]

約数ペア:

[(1, 888974320), (2, 444487160), (4, 222243580), (5, 177794864), (8, 111121790), (10, 88897432), (13, 68382640), (16, 55560895), (20, 44448716), (26, 34191320), (40, 22224358), (52, 17095660), (65, 13676528), (80, 11112179), (104, 8547830), (130, 6838264), (197, 4512560), (208, 4273915), (260, 3419132), (394, 2256280), (520, 1709566), (788, 1128140), (985, 902512), (1040, 854783), (1576, 564070), (1970, 451256), (2561, 347120), (3152, 282035), (3940, 225628), (4339, 204880), (5122, 173560), (7880, 112814), (8678, 102440), (10244, 86780), (12805, 69424), (15760, 56407), (17356, 51220), (20488, 43390), (21695, 40976), (25610, 34712)]