518040640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124529}}^1$

素因数の和:124559

約数の個数: 56

約数和(自身を含む): 1328486040

約数和(自身を除く): 810445400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 124529, 249058, 498116, 622645, 996232, 1245290, 1618877, 1992464, 2490580, 3237754, 3984928, 4981160, 6475508, 7969856, 8094385, 9962320, 12951016, 16188770, 19924640, 25902032, 32377540, 39849280, 51804064, 64755080, 103608128, 129510160, 259020320, 518040640]

約数ペア:

[(1, 518040640), (2, 259020320), (4, 129510160), (5, 103608128), (8, 64755080), (10, 51804064), (13, 39849280), (16, 32377540), (20, 25902032), (26, 19924640), (32, 16188770), (40, 12951016), (52, 9962320), (64, 8094385), (65, 7969856), (80, 6475508), (104, 4981160), (130, 3984928), (160, 3237754), (208, 2490580), (260, 1992464), (320, 1618877), (416, 1245290), (520, 996232), (832, 622645), (1040, 498116), (2080, 249058), (4160, 124529)]