1291208680

素因数分解:

$2^3\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{31249}}^1$

素因数の和:32293

約数の個数: 32

約数和(自身を含む): 2908125000

約数和(自身を除く): 1616916320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1033, 2066, 4132, 5165, 8264, 10330, 20660, 31249, 41320, 62498, 124996, 156245, 249992, 312490, 624980, 1249960, 32280217, 64560434, 129120868, 161401085, 258241736, 322802170, 645604340, 1291208680]

約数ペア:

[(1, 1291208680), (2, 645604340), (4, 322802170), (5, 258241736), (8, 161401085), (10, 129120868), (20, 64560434), (40, 32280217), (1033, 1249960), (2066, 624980), (4132, 312490), (5165, 249992), (8264, 156245), (10330, 124996), (20660, 62498), (31249, 41320)]