56478500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8689}}^1$

素因数の和:8721

約数の個数: 48

約数和(自身を含む): 132852720

約数和(自身を除く): 76374220

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, 8689, 17378, 34756, 43445, 86890, 112957, 173780, 217225, 225914, 434450, 451828, 564785, 868900, 1086125, 1129570, 2172250, 2259140, 2823925, 4344500, 5647850, 11295700, 14119625, 28239250, 56478500]

約数ペア:

[(1, 56478500), (2, 28239250), (4, 14119625), (5, 11295700), (10, 5647850), (13, 4344500), (20, 2823925), (25, 2259140), (26, 2172250), (50, 1129570), (52, 1086125), (65, 868900), (100, 564785), (125, 451828), (130, 434450), (250, 225914), (260, 217225), (325, 173780), (500, 112957), (650, 86890), (1300, 43445), (1625, 34756), (3250, 17378), (6500, 8689)]