63720100

素因数分解:

$2^2\times 5^2\times {\mathrm{637201}}^1$

素因数の和:637215

約数の個数: 18

約数和(自身を含む): 138272834

約数和(自身を除く): 74552734

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 637201, 1274402, 2548804, 3186005, 6372010, 12744020, 15930025, 31860050, 63720100]

約数ペア:

[(1, 63720100), (2, 31860050), (4, 15930025), (5, 12744020), (10, 6372010), (20, 3186005), (25, 2548804), (50, 1274402), (100, 637201)]