83640080

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1831}}^1$

素因数の和:2415

約数の個数: 40

約数和(自身を含む): 194910144

約数和(自身を除く): 111270064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 1831, 2284, 2855, 3662, 4568, 5710, 7324, 9136, 9155, 11420, 14648, 18310, 22840, 29296, 36620, 45680, 73240, 146480, 1045501, 2091002, 4182004, 5227505, 8364008, 10455010, 16728016, 20910020, 41820040, 83640080]

約数ペア:

[(1, 83640080), (2, 41820040), (4, 20910020), (5, 16728016), (8, 10455010), (10, 8364008), (16, 5227505), (20, 4182004), (40, 2091002), (80, 1045501), (571, 146480), (1142, 73240), (1831, 45680), (2284, 36620), (2855, 29296), (3662, 22840), (4568, 18310), (5710, 14648), (7324, 11420), (9136, 9155)]