1404961640

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{53299}}^1$

素因数の和:53969

約数の個数: 32

約数和(自身を含む): 3166020000

約数和(自身を除く): 1761058360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 13180, 26360, 53299, 106598, 213196, 266495, 426392, 532990, 1065980, 2131960, 35124041, 70248082, 140496164, 175620205, 280992328, 351240410, 702480820, 1404961640]

約数ペア:

[(1, 1404961640), (2, 702480820), (4, 351240410), (5, 280992328), (8, 175620205), (10, 140496164), (20, 70248082), (40, 35124041), (659, 2131960), (1318, 1065980), (2636, 532990), (3295, 426392), (5272, 266495), (6590, 213196), (13180, 106598), (26360, 53299)]