80743760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 194987520

約数和(自身を除く): 114243760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 103, 164, 205, 206, 239, 328, 410, 412, 478, 515, 656, 820, 824, 956, 1030, 1195, 1640, 1648, 1912, 2060, 2390, 3280, 3824, 4120, 4223, 4780, 8240, 8446, 9560, 9799, 16892, 19120, 19598, 21115, 24617, 33784, 39196, 42230, 48995, 49234, 67568, 78392, 84460, 97990, 98468, 123085, 156784, 168920, 195980, 196936, 246170, 337840, 391960, 393872, 492340, 783920, 984680, 1009297, 1969360, 2018594, 4037188, 5046485, 8074376, 10092970, 16148752, 20185940, 40371880, 80743760]

約数ペア:

[(1, 80743760), (2, 40371880), (4, 20185940), (5, 16148752), (8, 10092970), (10, 8074376), (16, 5046485), (20, 4037188), (40, 2018594), (41, 1969360), (80, 1009297), (82, 984680), (103, 783920), (164, 492340), (205, 393872), (206, 391960), (239, 337840), (328, 246170), (410, 196936), (412, 195980), (478, 168920), (515, 156784), (656, 123085), (820, 98468), (824, 97990), (956, 84460), (1030, 78392), (1195, 67568), (1640, 49234), (1648, 48995), (1912, 42230), (2060, 39196), (2390, 33784), (3280, 24617), (3824, 21115), (4120, 19598), (4223, 19120), (4780, 16892), (8240, 9799), (8446, 9560)]