78481000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6037}}^1$

素因数の和:6071

約数の個数: 64

約数和(自身を含む): 197804880

約数和(自身を除く): 119323880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6037, 6500, 12074, 13000, 24148, 30185, 48296, 60370, 78481, 120740, 150925, 156962, 241480, 301850, 313924, 392405, 603700, 627848, 754625, 784810, 1207400, 1509250, 1569620, 1962025, 3018500, 3139240, 3924050, 6037000, 7848100, 9810125, 15696200, 19620250, 39240500, 78481000]

約数ペア:

[(1, 78481000), (2, 39240500), (4, 19620250), (5, 15696200), (8, 9810125), (10, 7848100), (13, 6037000), (20, 3924050), (25, 3139240), (26, 3018500), (40, 1962025), (50, 1569620), (52, 1509250), (65, 1207400), (100, 784810), (104, 754625), (125, 627848), (130, 603700), (200, 392405), (250, 313924), (260, 301850), (325, 241480), (500, 156962), (520, 150925), (650, 120740), (1000, 78481), (1300, 60370), (1625, 48296), (2600, 30185), (3250, 24148), (6037, 13000), (6500, 12074)]