40371880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 94348800

約数和(自身を除く): 53976920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 164, 205, 206, 239, 328, 410, 412, 478, 515, 820, 824, 956, 1030, 1195, 1640, 1912, 2060, 2390, 4120, 4223, 4780, 8446, 9560, 9799, 16892, 19598, 21115, 24617, 33784, 39196, 42230, 48995, 49234, 78392, 84460, 97990, 98468, 123085, 168920, 195980, 196936, 246170, 391960, 492340, 984680, 1009297, 2018594, 4037188, 5046485, 8074376, 10092970, 20185940, 40371880]

約数ペア:

[(1, 40371880), (2, 20185940), (4, 10092970), (5, 8074376), (8, 5046485), (10, 4037188), (20, 2018594), (40, 1009297), (41, 984680), (82, 492340), (103, 391960), (164, 246170), (205, 196936), (206, 195980), (239, 168920), (328, 123085), (410, 98468), (412, 97990), (478, 84460), (515, 78392), (820, 49234), (824, 48995), (956, 42230), (1030, 39196), (1195, 33784), (1640, 24617), (1912, 21115), (2060, 19598), (2390, 16892), (4120, 9799), (4223, 9560), (4780, 8446)]