66775700

素因数分解:

$2^2\times 5^2\times {\mathrm{263}}^1\times {\mathrm{2539}}^1$

素因数の和:2816

約数の個数: 36

約数和(自身を含む): 145511520

約数和(自身を除く): 78735820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 263, 526, 1052, 1315, 2539, 2630, 5078, 5260, 6575, 10156, 12695, 13150, 25390, 26300, 50780, 63475, 126950, 253900, 667757, 1335514, 2671028, 3338785, 6677570, 13355140, 16693925, 33387850, 66775700]

約数ペア:

[(1, 66775700), (2, 33387850), (4, 16693925), (5, 13355140), (10, 6677570), (20, 3338785), (25, 2671028), (50, 1335514), (100, 667757), (263, 253900), (526, 126950), (1052, 63475), (1315, 50780), (2539, 26300), (2630, 25390), (5078, 13150), (5260, 12695), (6575, 10156)]