64068875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 87272640

約数和(自身を除く): 23203765

約数列:

[1, 5, 13, 25, 65, 89, 125, 325, 443, 445, 1157, 1625, 2215, 2225, 5759, 5785, 11075, 11125, 28795, 28925, 39427, 55375, 143975, 144625, 197135, 512551, 719875, 985675, 2562755, 4928375, 12813775, 64068875]

約数ペア:

[(1, 64068875), (5, 12813775), (13, 4928375), (25, 2562755), (65, 985675), (89, 719875), (125, 512551), (325, 197135), (443, 144625), (445, 143975), (1157, 55375), (1625, 39427), (2215, 28925), (2225, 28795), (5759, 11125), (5785, 11075)]