12256400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2357}}^1$

素因数の和:2388

約数の個数: 60

約数和(自身を含む): 31724532

約数和(自身を除く): 19468132

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2357, 2600, 4714, 5200, 9428, 11785, 18856, 23570, 30641, 37712, 47140, 58925, 61282, 94280, 117850, 122564, 153205, 188560, 235700, 245128, 306410, 471400, 490256, 612820, 766025, 942800, 1225640, 1532050, 2451280, 3064100, 6128200, 12256400]

約数ペア:

[(1, 12256400), (2, 6128200), (4, 3064100), (5, 2451280), (8, 1532050), (10, 1225640), (13, 942800), (16, 766025), (20, 612820), (25, 490256), (26, 471400), (40, 306410), (50, 245128), (52, 235700), (65, 188560), (80, 153205), (100, 122564), (104, 117850), (130, 94280), (200, 61282), (208, 58925), (260, 47140), (325, 37712), (400, 30641), (520, 23570), (650, 18856), (1040, 11785), (1300, 9428), (2357, 5200), (2600, 4714)]