19688500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{233}}^1$

素因数の和:278

約数の個数: 72

約数和(自身を含む): 46761624

約数和(自身を除く): 27073124

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 169, 233, 250, 260, 325, 338, 466, 500, 650, 676, 845, 932, 1165, 1300, 1625, 1690, 2330, 3029, 3250, 3380, 4225, 4660, 5825, 6058, 6500, 8450, 11650, 12116, 15145, 16900, 21125, 23300, 29125, 30290, 39377, 42250, 58250, 60580, 75725, 78754, 84500, 116500, 151450, 157508, 196885, 302900, 378625, 393770, 757250, 787540, 984425, 1514500, 1968850, 3937700, 4922125, 9844250, 19688500]

約数ペア:

[(1, 19688500), (2, 9844250), (4, 4922125), (5, 3937700), (10, 1968850), (13, 1514500), (20, 984425), (25, 787540), (26, 757250), (50, 393770), (52, 378625), (65, 302900), (100, 196885), (125, 157508), (130, 151450), (169, 116500), (233, 84500), (250, 78754), (260, 75725), (325, 60580), (338, 58250), (466, 42250), (500, 39377), (650, 30290), (676, 29125), (845, 23300), (932, 21125), (1165, 16900), (1300, 15145), (1625, 12116), (1690, 11650), (2330, 8450), (3029, 6500), (3250, 6058), (3380, 5825), (4225, 4660)]