40723688

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 82296000

約数和(自身を除く): 41572312

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 239, 361, 472, 478, 722, 956, 1121, 1444, 1912, 2242, 2888, 4484, 4541, 8968, 9082, 14101, 18164, 21299, 28202, 36328, 42598, 56404, 85196, 86279, 112808, 170392, 172558, 267919, 345116, 535838, 690232, 1071676, 2143352, 5090461, 10180922, 20361844, 40723688]

約数ペア:

[(1, 40723688), (2, 20361844), (4, 10180922), (8, 5090461), (19, 2143352), (38, 1071676), (59, 690232), (76, 535838), (118, 345116), (152, 267919), (236, 172558), (239, 170392), (361, 112808), (472, 86279), (478, 85196), (722, 56404), (956, 42598), (1121, 36328), (1444, 28202), (1912, 21299), (2242, 18164), (2888, 14101), (4484, 9082), (4541, 8968)]