8173600520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1\times {\mathrm{2437}}^1$

素因数の和:3078

約数の個数: 64

約数和(自身を含む): 18536601600

約数和(自身を除く): 10363001080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 439, 764, 878, 955, 1528, 1756, 1910, 2195, 2437, 3512, 3820, 4390, 4874, 7640, 8780, 9748, 12185, 17560, 19496, 24370, 48740, 83849, 97480, 167698, 335396, 419245, 465467, 670792, 838490, 930934, 1069843, 1676980, 1861868, 2139686, 2327335, 3353960, 3723736, 4279372, 4654670, 5349215, 8558744, 9309340, 10698430, 18618680, 21396860, 42793720, 204340013, 408680026, 817360052, 1021700065, 1634720104, 2043400130, 4086800260, 8173600520]

約数ペア:

[(1, 8173600520), (2, 4086800260), (4, 2043400130), (5, 1634720104), (8, 1021700065), (10, 817360052), (20, 408680026), (40, 204340013), (191, 42793720), (382, 21396860), (439, 18618680), (764, 10698430), (878, 9309340), (955, 8558744), (1528, 5349215), (1756, 4654670), (1910, 4279372), (2195, 3723736), (2437, 3353960), (3512, 2327335), (3820, 2139686), (4390, 1861868), (4874, 1676980), (7640, 1069843), (8780, 930934), (9748, 838490), (12185, 670792), (17560, 465467), (19496, 419245), (24370, 335396), (48740, 167698), (83849, 97480)]