43644640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20983}}^1$

素因数の和:21011

約数の個数: 48

約数和(自身を含む): 111047328

約数和(自身を除く): 67402688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 20983, 41966, 83932, 104915, 167864, 209830, 272779, 335728, 419660, 545558, 671456, 839320, 1091116, 1363895, 1678640, 2182232, 2727790, 3357280, 4364464, 5455580, 8728928, 10911160, 21822320, 43644640]

約数ペア:

[(1, 43644640), (2, 21822320), (4, 10911160), (5, 8728928), (8, 5455580), (10, 4364464), (13, 3357280), (16, 2727790), (20, 2182232), (26, 1678640), (32, 1363895), (40, 1091116), (52, 839320), (65, 671456), (80, 545558), (104, 419660), (130, 335728), (160, 272779), (208, 209830), (260, 167864), (416, 104915), (520, 83932), (1040, 41966), (2080, 20983)]