85811240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2381}}^1$

素因数の和:2462

約数の個数: 64

約数和(自身を含む): 208377360

約数和(自身を除く): 122566120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 2381, 3604, 4505, 4762, 7208, 9010, 9524, 11905, 18020, 19048, 23810, 36040, 40477, 47620, 80954, 95240, 126193, 161908, 202385, 252386, 323816, 404770, 504772, 630965, 809540, 1009544, 1261930, 1619080, 2145281, 2523860, 4290562, 5047720, 8581124, 10726405, 17162248, 21452810, 42905620, 85811240]

約数ペア:

[(1, 85811240), (2, 42905620), (4, 21452810), (5, 17162248), (8, 10726405), (10, 8581124), (17, 5047720), (20, 4290562), (34, 2523860), (40, 2145281), (53, 1619080), (68, 1261930), (85, 1009544), (106, 809540), (136, 630965), (170, 504772), (212, 404770), (265, 323816), (340, 252386), (424, 202385), (530, 161908), (680, 126193), (901, 95240), (1060, 80954), (1802, 47620), (2120, 40477), (2381, 36040), (3604, 23810), (4505, 19048), (4762, 18020), (7208, 11905), (9010, 9524)]