65547760

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1471}}^1$

素因数の和:2041

約数の個数: 40

約数和(自身を含む): 152775936

約数和(自身を除く): 87228176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1471, 2228, 2785, 2942, 4456, 5570, 5884, 7355, 8912, 11140, 11768, 14710, 22280, 23536, 29420, 44560, 58840, 117680, 819347, 1638694, 3277388, 4096735, 6554776, 8193470, 13109552, 16386940, 32773880, 65547760]

約数ペア:

[(1, 65547760), (2, 32773880), (4, 16386940), (5, 13109552), (8, 8193470), (10, 6554776), (16, 4096735), (20, 3277388), (40, 1638694), (80, 819347), (557, 117680), (1114, 58840), (1471, 44560), (2228, 29420), (2785, 23536), (2942, 22280), (4456, 14710), (5570, 11768), (5884, 11140), (7355, 8912)]