64154500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4189

約数の個数: 48

約数和(自身を含む): 144668160

約数和(自身を除く): 80513660

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 1550, 3100, 3875, 4139, 7750, 8278, 15500, 16556, 20695, 41390, 82780, 103475, 128309, 206950, 256618, 413900, 513236, 517375, 641545, 1034750, 1283090, 2069500, 2566180, 3207725, 6415450, 12830900, 16038625, 32077250, 64154500]

約数ペア:

[(1, 64154500), (2, 32077250), (4, 16038625), (5, 12830900), (10, 6415450), (20, 3207725), (25, 2566180), (31, 2069500), (50, 1283090), (62, 1034750), (100, 641545), (124, 517375), (125, 513236), (155, 413900), (250, 256618), (310, 206950), (500, 128309), (620, 103475), (775, 82780), (1550, 41390), (3100, 20695), (3875, 16556), (4139, 15500), (7750, 8278)]