80835380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{349}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 175400400

約数和(自身を除く): 94565020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 313, 349, 370, 626, 698, 740, 1252, 1396, 1565, 1745, 3130, 3490, 6260, 6980, 11581, 12913, 23162, 25826, 46324, 51652, 57905, 64565, 109237, 115810, 129130, 218474, 231620, 258260, 436948, 546185, 1092370, 2184740, 4041769, 8083538, 16167076, 20208845, 40417690, 80835380]

約数ペア:

[(1, 80835380), (2, 40417690), (4, 20208845), (5, 16167076), (10, 8083538), (20, 4041769), (37, 2184740), (74, 1092370), (148, 546185), (185, 436948), (313, 258260), (349, 231620), (370, 218474), (626, 129130), (698, 115810), (740, 109237), (1252, 64565), (1396, 57905), (1565, 51652), (1745, 46324), (3130, 25826), (3490, 23162), (6260, 12913), (6980, 11581)]