82221620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4003}}^1$

素因数の和:4104

約数の個数: 48

約数和(自身を含む): 188348160

約数和(自身を除く): 106126540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4003, 4108, 5135, 8006, 10270, 16012, 20015, 20540, 40030, 52039, 80060, 104078, 208156, 260195, 316237, 520390, 632474, 1040780, 1264948, 1581185, 3162370, 4111081, 6324740, 8222162, 16444324, 20555405, 41110810, 82221620]

約数ペア:

[(1, 82221620), (2, 41110810), (4, 20555405), (5, 16444324), (10, 8222162), (13, 6324740), (20, 4111081), (26, 3162370), (52, 1581185), (65, 1264948), (79, 1040780), (130, 632474), (158, 520390), (260, 316237), (316, 260195), (395, 208156), (790, 104078), (1027, 80060), (1580, 52039), (2054, 40030), (4003, 20540), (4108, 20015), (5135, 16012), (8006, 10270)]