64386250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{2711}}^1$

素因数の和:2752

約数の個数: 40

約数和(自身を含む): 127084320

約数和(自身を除く): 62698070

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1250, 2375, 2711, 4750, 5422, 11875, 13555, 23750, 27110, 51509, 67775, 103018, 135550, 257545, 338875, 515090, 677750, 1287725, 1694375, 2575450, 3388750, 6438625, 12877250, 32193125, 64386250]

約数ペア:

[(1, 64386250), (2, 32193125), (5, 12877250), (10, 6438625), (19, 3388750), (25, 2575450), (38, 1694375), (50, 1287725), (95, 677750), (125, 515090), (190, 338875), (250, 257545), (475, 135550), (625, 103018), (950, 67775), (1250, 51509), (2375, 27110), (2711, 23750), (4750, 13555), (5422, 11875)]