12278500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1889}}^1$

素因数の和:1921

約数の個数: 48

約数和(自身を含む): 28894320

約数和(自身を除く): 16615820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 1889, 3250, 3778, 6500, 7556, 9445, 18890, 24557, 37780, 47225, 49114, 94450, 98228, 122785, 188900, 236125, 245570, 472250, 491140, 613925, 944500, 1227850, 2455700, 3069625, 6139250, 12278500]

約数ペア:

[(1, 12278500), (2, 6139250), (4, 3069625), (5, 2455700), (10, 1227850), (13, 944500), (20, 613925), (25, 491140), (26, 472250), (50, 245570), (52, 236125), (65, 188900), (100, 122785), (125, 98228), (130, 94450), (250, 49114), (260, 47225), (325, 37780), (500, 24557), (650, 18890), (1300, 9445), (1625, 7556), (1889, 6500), (3250, 3778)]