1025150540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1\times {\mathrm{1723}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 2189617920

約数和(自身を除く): 1164467380

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 419, 710, 838, 1420, 1676, 1723, 2095, 3446, 4190, 6892, 8380, 8615, 17230, 29749, 34460, 59498, 118996, 122333, 148745, 244666, 297490, 489332, 594980, 611665, 721937, 1223330, 1443874, 2446660, 2887748, 3609685, 7219370, 14438740, 51257527, 102515054, 205030108, 256287635, 512575270, 1025150540]

約数ペア:

[(1, 1025150540), (2, 512575270), (4, 256287635), (5, 205030108), (10, 102515054), (20, 51257527), (71, 14438740), (142, 7219370), (284, 3609685), (355, 2887748), (419, 2446660), (710, 1443874), (838, 1223330), (1420, 721937), (1676, 611665), (1723, 594980), (2095, 489332), (3446, 297490), (4190, 244666), (6892, 148745), (8380, 122333), (8615, 118996), (17230, 59498), (29749, 34460)]