1915671280

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{31139}}^1$

素因数の和:31921

約数の個数: 40

約数和(自身を含む): 4459870800

約数和(自身を除く): 2544199520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1538, 3076, 3845, 6152, 7690, 12304, 15380, 30760, 31139, 61520, 62278, 124556, 155695, 249112, 311390, 498224, 622780, 1245560, 2491120, 23945891, 47891782, 95783564, 119729455, 191567128, 239458910, 383134256, 478917820, 957835640, 1915671280]

約数ペア:

[(1, 1915671280), (2, 957835640), (4, 478917820), (5, 383134256), (8, 239458910), (10, 191567128), (16, 119729455), (20, 95783564), (40, 47891782), (80, 23945891), (769, 2491120), (1538, 1245560), (3076, 622780), (3845, 498224), (6152, 311390), (7690, 249112), (12304, 155695), (15380, 124556), (30760, 62278), (31139, 61520)]