66007280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11621}}^1$

素因数の和:11705

約数の個数: 40

約数和(自身を含む): 155641824

約数和(自身を除く): 89634544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 11621, 23242, 46484, 58105, 92968, 116210, 185936, 232420, 464840, 825091, 929680, 1650182, 3300364, 4125455, 6600728, 8250910, 13201456, 16501820, 33003640, 66007280]

約数ペア:

[(1, 66007280), (2, 33003640), (4, 16501820), (5, 13201456), (8, 8250910), (10, 6600728), (16, 4125455), (20, 3300364), (40, 1650182), (71, 929680), (80, 825091), (142, 464840), (284, 232420), (355, 185936), (568, 116210), (710, 92968), (1136, 58105), (1420, 46484), (2840, 23242), (5680, 11621)]