64775080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 150958080

約数和(自身を除く): 86183000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 311, 328, 410, 508, 622, 635, 820, 1016, 1244, 1270, 1555, 1640, 2488, 2540, 3110, 5080, 5207, 6220, 10414, 12440, 12751, 20828, 25502, 26035, 39497, 41656, 51004, 52070, 63755, 78994, 102008, 104140, 127510, 157988, 197485, 208280, 255020, 315976, 394970, 510040, 789940, 1579880, 1619377, 3238754, 6477508, 8096885, 12955016, 16193770, 32387540, 64775080]

約数ペア:

[(1, 64775080), (2, 32387540), (4, 16193770), (5, 12955016), (8, 8096885), (10, 6477508), (20, 3238754), (40, 1619377), (41, 1579880), (82, 789940), (127, 510040), (164, 394970), (205, 315976), (254, 255020), (311, 208280), (328, 197485), (410, 157988), (508, 127510), (622, 104140), (635, 102008), (820, 78994), (1016, 63755), (1244, 52070), (1270, 51004), (1555, 41656), (1640, 39497), (2488, 26035), (2540, 25502), (3110, 20828), (5080, 12751), (5207, 12440), (6220, 10414)]