64240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1$

素因数の和:97

約数の個数: 40

約数和(自身を含む): 165168

約数和(自身を除く): 100928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 440, 584, 730, 803, 880, 1168, 1460, 1606, 2920, 3212, 4015, 5840, 6424, 8030, 12848, 16060, 32120, 64240]

約数ペア:

[(1, 64240), (2, 32120), (4, 16060), (5, 12848), (8, 8030), (10, 6424), (11, 5840), (16, 4015), (20, 3212), (22, 2920), (40, 1606), (44, 1460), (55, 1168), (73, 880), (80, 803), (88, 730), (110, 584), (146, 440), (176, 365), (220, 292)]