77196880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13591}}^1$

素因数の和:13675

約数の個数: 40

約数和(自身を含む): 182024064

約数和(自身を除く): 104827184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 13591, 27182, 54364, 67955, 108728, 135910, 217456, 271820, 543640, 964961, 1087280, 1929922, 3859844, 4824805, 7719688, 9649610, 15439376, 19299220, 38598440, 77196880]

約数ペア:

[(1, 77196880), (2, 38598440), (4, 19299220), (5, 15439376), (8, 9649610), (10, 7719688), (16, 4824805), (20, 3859844), (40, 1929922), (71, 1087280), (80, 964961), (142, 543640), (284, 271820), (355, 217456), (568, 135910), (710, 108728), (1136, 67955), (1420, 54364), (2840, 27182), (5680, 13591)]