64772500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2030

約数の個数: 60

約数和(自身を含む): 152616772

約数和(自身を除く): 87844272

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 1993, 2500, 3250, 3986, 6500, 7972, 8125, 9965, 16250, 19930, 25909, 32500, 39860, 49825, 51818, 99650, 103636, 129545, 199300, 249125, 259090, 498250, 518180, 647725, 996500, 1245625, 1295450, 2491250, 2590900, 3238625, 4982500, 6477250, 12954500, 16193125, 32386250, 64772500]

約数ペア:

[(1, 64772500), (2, 32386250), (4, 16193125), (5, 12954500), (10, 6477250), (13, 4982500), (20, 3238625), (25, 2590900), (26, 2491250), (50, 1295450), (52, 1245625), (65, 996500), (100, 647725), (125, 518180), (130, 498250), (250, 259090), (260, 249125), (325, 199300), (500, 129545), (625, 103636), (650, 99650), (1250, 51818), (1300, 49825), (1625, 39860), (1993, 32500), (2500, 25909), (3250, 19930), (3986, 16250), (6500, 9965), (7972, 8125)]