64769800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{5309}}^1$

素因数の和:5386

約数の個数: 48

約数和(自身を含む): 153087300

約数和(自身を除く): 88317500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 5309, 6100, 10618, 12200, 21236, 26545, 42472, 53090, 106180, 132725, 212360, 265450, 323849, 530900, 647698, 1061800, 1295396, 1619245, 2590792, 3238490, 6476980, 8096225, 12953960, 16192450, 32384900, 64769800]

約数ペア:

[(1, 64769800), (2, 32384900), (4, 16192450), (5, 12953960), (8, 8096225), (10, 6476980), (20, 3238490), (25, 2590792), (40, 1619245), (50, 1295396), (61, 1061800), (100, 647698), (122, 530900), (200, 323849), (244, 265450), (305, 212360), (488, 132725), (610, 106180), (1220, 53090), (1525, 42472), (2440, 26545), (3050, 21236), (5309, 12200), (6100, 10618)]