31422820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10987}}^1$

素因数の和:11020

約数の個数: 48

約数和(自身を含む): 77531328

約数和(自身を除く): 46108508

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10987, 21974, 43948, 54935, 109870, 120857, 142831, 219740, 241714, 285662, 483428, 571324, 604285, 714155, 1208570, 1428310, 1571141, 2417140, 2856620, 3142282, 6284564, 7855705, 15711410, 31422820]

約数ペア:

[(1, 31422820), (2, 15711410), (4, 7855705), (5, 6284564), (10, 3142282), (11, 2856620), (13, 2417140), (20, 1571141), (22, 1428310), (26, 1208570), (44, 714155), (52, 604285), (55, 571324), (65, 483428), (110, 285662), (130, 241714), (143, 219740), (220, 142831), (260, 120857), (286, 109870), (572, 54935), (715, 43948), (1430, 21974), (2860, 10987)]