80694520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1193}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 193428000

約数和(自身を除く): 112733480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1193, 1691, 1780, 2386, 3382, 3560, 4772, 5965, 6764, 8455, 9544, 11930, 13528, 16910, 22667, 23860, 33820, 45334, 47720, 67640, 90668, 106177, 113335, 181336, 212354, 226670, 424708, 453340, 530885, 849416, 906680, 1061770, 2017363, 2123540, 4034726, 4247080, 8069452, 10086815, 16138904, 20173630, 40347260, 80694520]

約数ペア:

[(1, 80694520), (2, 40347260), (4, 20173630), (5, 16138904), (8, 10086815), (10, 8069452), (19, 4247080), (20, 4034726), (38, 2123540), (40, 2017363), (76, 1061770), (89, 906680), (95, 849416), (152, 530885), (178, 453340), (190, 424708), (356, 226670), (380, 212354), (445, 181336), (712, 113335), (760, 106177), (890, 90668), (1193, 67640), (1691, 47720), (1780, 45334), (2386, 33820), (3382, 23860), (3560, 22667), (4772, 16910), (5965, 13528), (6764, 11930), (8455, 9544)]