23881220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1487}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 55496448

約数和(自身を除く): 31615228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1487, 1606, 2974, 3212, 4015, 5948, 7435, 8030, 14870, 16060, 16357, 29740, 32714, 65428, 81785, 108551, 163570, 217102, 327140, 434204, 542755, 1085510, 1194061, 2171020, 2388122, 4776244, 5970305, 11940610, 23881220]

約数ペア:

[(1, 23881220), (2, 11940610), (4, 5970305), (5, 4776244), (10, 2388122), (11, 2171020), (20, 1194061), (22, 1085510), (44, 542755), (55, 434204), (73, 327140), (110, 217102), (146, 163570), (220, 108551), (292, 81785), (365, 65428), (730, 32714), (803, 29740), (1460, 16357), (1487, 16060), (1606, 14870), (2974, 8030), (3212, 7435), (4015, 5948)]