2008116890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{23159}}^1$

素因数の和:23231

約数の個数: 64

約数和(自身を含む): 4202150400

約数和(自身を除く): 2194033510

約数列:

[1, 2, 5, 10, 13, 23, 26, 29, 46, 58, 65, 115, 130, 145, 230, 290, 299, 377, 598, 667, 754, 1334, 1495, 1885, 2990, 3335, 3770, 6670, 8671, 17342, 23159, 43355, 46318, 86710, 115795, 231590, 301067, 532657, 602134, 671611, 1065314, 1343222, 1505335, 2663285, 3010670, 3358055, 5326570, 6716110, 6924541, 8730943, 13849082, 15447053, 17461886, 30894106, 34622705, 43654715, 69245410, 77235265, 87309430, 154470530, 200811689, 401623378, 1004058445, 2008116890]

約数ペア:

[(1, 2008116890), (2, 1004058445), (5, 401623378), (10, 200811689), (13, 154470530), (23, 87309430), (26, 77235265), (29, 69245410), (46, 43654715), (58, 34622705), (65, 30894106), (115, 17461886), (130, 15447053), (145, 13849082), (230, 8730943), (290, 6924541), (299, 6716110), (377, 5326570), (598, 3358055), (667, 3010670), (754, 2663285), (1334, 1505335), (1495, 1343222), (1885, 1065314), (2990, 671611), (3335, 602134), (3770, 532657), (6670, 301067), (8671, 231590), (17342, 115795), (23159, 86710), (43355, 46318)]