80455941880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28329557}}^1$

素因数の和:28329639

約数の個数: 32

約数和(自身を含む): 183575535840

約数和(自身を除く): 103119593960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 28329557, 56659114, 113318228, 141647785, 226636456, 283295570, 566591140, 1133182280, 2011398547, 4022797094, 8045594188, 10056992735, 16091188376, 20113985470, 40227970940, 80455941880]

約数ペア:

[(1, 80455941880), (2, 40227970940), (4, 20113985470), (5, 16091188376), (8, 10056992735), (10, 8045594188), (20, 4022797094), (40, 2011398547), (71, 1133182280), (142, 566591140), (284, 283295570), (355, 226636456), (568, 141647785), (710, 113318228), (1420, 56659114), (2840, 28329557)]