85887280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15121}}^1$

素因数の和:15205

約数の個数: 40

約数和(自身を含む): 202513824

約数和(自身を除く): 116626544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 15121, 30242, 60484, 75605, 120968, 151210, 241936, 302420, 604840, 1073591, 1209680, 2147182, 4294364, 5367955, 8588728, 10735910, 17177456, 21471820, 42943640, 85887280]

約数ペア:

[(1, 85887280), (2, 42943640), (4, 21471820), (5, 17177456), (8, 10735910), (10, 8588728), (16, 5367955), (20, 4294364), (40, 2147182), (71, 1209680), (80, 1073591), (142, 604840), (284, 302420), (355, 241936), (568, 151210), (710, 120968), (1136, 75605), (1420, 60484), (2840, 30242), (5680, 15121)]