20156200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3251}}^1$

素因数の和:3298

約数の個数: 48

約数和(自身を含む): 48389760

約数和(自身を除く): 28233560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 3251, 6200, 6502, 13004, 16255, 26008, 32510, 65020, 81275, 100781, 130040, 162550, 201562, 325100, 403124, 503905, 650200, 806248, 1007810, 2015620, 2519525, 4031240, 5039050, 10078100, 20156200]

約数ペア:

[(1, 20156200), (2, 10078100), (4, 5039050), (5, 4031240), (8, 2519525), (10, 2015620), (20, 1007810), (25, 806248), (31, 650200), (40, 503905), (50, 403124), (62, 325100), (100, 201562), (124, 162550), (155, 130040), (200, 100781), (248, 81275), (310, 65020), (620, 32510), (775, 26008), (1240, 16255), (1550, 13004), (3100, 6502), (3251, 6200)]