64897040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62401}}^1$

素因数の和:62427

約数の個数: 40

約数和(自身を含む): 162494808

約数和(自身を除く): 97597768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62401, 124802, 249604, 312005, 499208, 624010, 811213, 998416, 1248020, 1622426, 2496040, 3244852, 4056065, 4992080, 6489704, 8112130, 12979408, 16224260, 32448520, 64897040]

約数ペア:

[(1, 64897040), (2, 32448520), (4, 16224260), (5, 12979408), (8, 8112130), (10, 6489704), (13, 4992080), (16, 4056065), (20, 3244852), (26, 2496040), (40, 1622426), (52, 1248020), (65, 998416), (80, 811213), (104, 624010), (130, 499208), (208, 312005), (260, 249604), (520, 124802), (1040, 62401)]