5312500

素因数分解:

$2^2\times 5^7\times {\mathrm{17}}^1$

素因数の和:56

約数の個数: 48

約数和(自身を含む): 12304656

約数和(自身を除く): 6992156

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 850, 1250, 1700, 2125, 2500, 3125, 4250, 6250, 8500, 10625, 12500, 15625, 21250, 31250, 42500, 53125, 62500, 78125, 106250, 156250, 212500, 265625, 312500, 531250, 1062500, 1328125, 2656250, 5312500]

約数ペア:

[(1, 5312500), (2, 2656250), (4, 1328125), (5, 1062500), (10, 531250), (17, 312500), (20, 265625), (25, 212500), (34, 156250), (50, 106250), (68, 78125), (85, 62500), (100, 53125), (125, 42500), (170, 31250), (250, 21250), (340, 15625), (425, 12500), (500, 10625), (625, 8500), (850, 6250), (1250, 4250), (1700, 3125), (2125, 2500)]