22889480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 55928880

約数和(自身を除く): 33039400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 821, 1394, 1640, 1642, 2788, 3284, 3485, 4105, 5576, 6568, 6970, 8210, 13940, 13957, 16420, 27880, 27914, 32840, 33661, 55828, 67322, 69785, 111656, 134644, 139570, 168305, 269288, 279140, 336610, 558280, 572237, 673220, 1144474, 1346440, 2288948, 2861185, 4577896, 5722370, 11444740, 22889480]

約数ペア:

[(1, 22889480), (2, 11444740), (4, 5722370), (5, 4577896), (8, 2861185), (10, 2288948), (17, 1346440), (20, 1144474), (34, 673220), (40, 572237), (41, 558280), (68, 336610), (82, 279140), (85, 269288), (136, 168305), (164, 139570), (170, 134644), (205, 111656), (328, 69785), (340, 67322), (410, 55828), (680, 33661), (697, 32840), (820, 27914), (821, 27880), (1394, 16420), (1640, 13957), (1642, 13940), (2788, 8210), (3284, 6970), (3485, 6568), (4105, 5576)]