54788500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8429}}^1$

素因数の和:8461

約数の個数: 48

約数和(自身を含む): 128877840

約数和(自身を除く): 74089340

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, 3250, 6500, 8429, 16858, 33716, 42145, 84290, 109577, 168580, 210725, 219154, 421450, 438308, 547885, 842900, 1053625, 1095770, 2107250, 2191540, 2739425, 4214500, 5478850, 10957700, 13697125, 27394250, 54788500]

約数ペア:

[(1, 54788500), (2, 27394250), (4, 13697125), (5, 10957700), (10, 5478850), (13, 4214500), (20, 2739425), (25, 2191540), (26, 2107250), (50, 1095770), (52, 1053625), (65, 842900), (100, 547885), (125, 438308), (130, 421450), (250, 219154), (260, 210725), (325, 168580), (500, 109577), (650, 84290), (1300, 42145), (1625, 33716), (3250, 16858), (6500, 8429)]