4721080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 13083840

約数和(自身を除く): 8362760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1297, 1820, 2594, 3640, 5188, 6485, 9079, 10376, 12970, 16861, 18158, 25940, 33722, 36316, 45395, 51880, 67444, 72632, 84305, 90790, 118027, 134888, 168610, 181580, 236054, 337220, 363160, 472108, 590135, 674440, 944216, 1180270, 2360540, 4721080]

約数ペア:

[(1, 4721080), (2, 2360540), (4, 1180270), (5, 944216), (7, 674440), (8, 590135), (10, 472108), (13, 363160), (14, 337220), (20, 236054), (26, 181580), (28, 168610), (35, 134888), (40, 118027), (52, 90790), (56, 84305), (65, 72632), (70, 67444), (91, 51880), (104, 45395), (130, 36316), (140, 33722), (182, 25940), (260, 18158), (280, 16861), (364, 12970), (455, 10376), (520, 9079), (728, 6485), (910, 5188), (1297, 3640), (1820, 2594)]