2638291240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{3301}}^1$

素因数の和:3407

約数の個数: 128

約数和(自身を含む): 6740042400

約数和(自身を除く): 4101751160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 53, 58, 65, 104, 106, 116, 130, 145, 212, 232, 260, 265, 290, 377, 424, 520, 530, 580, 689, 754, 1060, 1160, 1378, 1508, 1537, 1885, 2120, 2756, 3016, 3074, 3301, 3445, 3770, 5512, 6148, 6602, 6890, 7540, 7685, 12296, 13204, 13780, 15080, 15370, 16505, 19981, 26408, 27560, 30740, 33010, 39962, 42913, 61480, 66020, 79924, 85826, 95729, 99905, 132040, 159848, 171652, 174953, 191458, 199810, 214565, 343304, 349906, 382916, 399620, 429130, 478645, 699812, 765832, 799240, 858260, 874765, 957290, 1244477, 1399624, 1716520, 1749530, 1914580, 2274389, 2488954, 3499060, 3829160, 4548778, 4977908, 5073637, 6222385, 6998120, 9097556, 9955816, 10147274, 11371945, 12444770, 18195112, 20294548, 22743890, 24889540, 25368185, 40589096, 45487780, 49779080, 50736370, 65957281, 90975560, 101472740, 131914562, 202945480, 263829124, 329786405, 527658248, 659572810, 1319145620, 2638291240]

約数ペア:

[(1, 2638291240), (2, 1319145620), (4, 659572810), (5, 527658248), (8, 329786405), (10, 263829124), (13, 202945480), (20, 131914562), (26, 101472740), (29, 90975560), (40, 65957281), (52, 50736370), (53, 49779080), (58, 45487780), (65, 40589096), (104, 25368185), (106, 24889540), (116, 22743890), (130, 20294548), (145, 18195112), (212, 12444770), (232, 11371945), (260, 10147274), (265, 9955816), (290, 9097556), (377, 6998120), (424, 6222385), (520, 5073637), (530, 4977908), (580, 4548778), (689, 3829160), (754, 3499060), (1060, 2488954), (1160, 2274389), (1378, 1914580), (1508, 1749530), (1537, 1716520), (1885, 1399624), (2120, 1244477), (2756, 957290), (3016, 874765), (3074, 858260), (3301, 799240), (3445, 765832), (3770, 699812), (5512, 478645), (6148, 429130), (6602, 399620), (6890, 382916), (7540, 349906), (7685, 343304), (12296, 214565), (13204, 199810), (13780, 191458), (15080, 174953), (15370, 171652), (16505, 159848), (19981, 132040), (26408, 99905), (27560, 95729), (30740, 85826), (33010, 79924), (39962, 66020), (42913, 61480)]