12617240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5171}}^1$

素因数の和:5243

約数の個数: 32

約数和(自身を含む): 28859760

約数和(自身を除く): 16242520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5171, 10342, 20684, 25855, 41368, 51710, 103420, 206840, 315431, 630862, 1261724, 1577155, 2523448, 3154310, 6308620, 12617240]

約数ペア:

[(1, 12617240), (2, 6308620), (4, 3154310), (5, 2523448), (8, 1577155), (10, 1261724), (20, 630862), (40, 315431), (61, 206840), (122, 103420), (244, 51710), (305, 41368), (488, 25855), (610, 20684), (1220, 10342), (2440, 5171)]