12587900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 30768864

約数和(自身を除く): 18180964

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 230, 260, 299, 325, 421, 460, 575, 598, 650, 842, 1150, 1196, 1300, 1495, 1684, 2105, 2300, 2990, 4210, 5473, 5980, 7475, 8420, 9683, 10525, 10946, 14950, 19366, 21050, 21892, 27365, 29900, 38732, 42100, 48415, 54730, 96830, 109460, 125879, 136825, 193660, 242075, 251758, 273650, 484150, 503516, 547300, 629395, 968300, 1258790, 2517580, 3146975, 6293950, 12587900]

約数ペア:

[(1, 12587900), (2, 6293950), (4, 3146975), (5, 2517580), (10, 1258790), (13, 968300), (20, 629395), (23, 547300), (25, 503516), (26, 484150), (46, 273650), (50, 251758), (52, 242075), (65, 193660), (92, 136825), (100, 125879), (115, 109460), (130, 96830), (230, 54730), (260, 48415), (299, 42100), (325, 38732), (421, 29900), (460, 27365), (575, 21892), (598, 21050), (650, 19366), (842, 14950), (1150, 10946), (1196, 10525), (1300, 9683), (1495, 8420), (1684, 7475), (2105, 5980), (2300, 5473), (2990, 4210)]