1639016080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{121229}}^1$

素因数の和:121268

約数の個数: 60

約数和(自身を含む): 4126426740

約数和(自身を除く): 2487410660

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 121229, 242458, 484916, 606145, 969832, 1212290, 1575977, 1939664, 2424580, 3151954, 4849160, 6303908, 7879885, 9698320, 12607816, 15759770, 20487701, 25215632, 31519540, 40975402, 63039080, 81950804, 102438505, 126078160, 163901608, 204877010, 327803216, 409754020, 819508040, 1639016080]

約数ペア:

[(1, 1639016080), (2, 819508040), (4, 409754020), (5, 327803216), (8, 204877010), (10, 163901608), (13, 126078160), (16, 102438505), (20, 81950804), (26, 63039080), (40, 40975402), (52, 31519540), (65, 25215632), (80, 20487701), (104, 15759770), (130, 12607816), (169, 9698320), (208, 7879885), (260, 6303908), (338, 4849160), (520, 3151954), (676, 2424580), (845, 1939664), (1040, 1575977), (1352, 1212290), (1690, 969832), (2704, 606145), (3380, 484916), (6760, 242458), (13520, 121229)]