31464940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121019}}^1$

素因数の和:121041

約数の個数: 24

約数和(自身を含む): 71159760

約数和(自身を除く): 39694820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121019, 242038, 484076, 605095, 1210190, 1573247, 2420380, 3146494, 6292988, 7866235, 15732470, 31464940]

約数ペア:

[(1, 31464940), (2, 15732470), (4, 7866235), (5, 6292988), (10, 3146494), (13, 2420380), (20, 1573247), (26, 1210190), (52, 605095), (65, 484076), (130, 242038), (260, 121019)]