200750420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24907}}^1$

素因数の和:24960

約数の個数: 48

約数和(自身を含む): 468668928

約数和(自身を除く): 267918508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 24907, 49814, 99628, 124535, 249070, 323791, 498140, 647582, 772117, 1295164, 1544234, 1618955, 3088468, 3237910, 3860585, 6475820, 7721170, 10037521, 15442340, 20075042, 40150084, 50187605, 100375210, 200750420]

約数ペア:

[(1, 200750420), (2, 100375210), (4, 50187605), (5, 40150084), (10, 20075042), (13, 15442340), (20, 10037521), (26, 7721170), (31, 6475820), (52, 3860585), (62, 3237910), (65, 3088468), (124, 1618955), (130, 1544234), (155, 1295164), (260, 772117), (310, 647582), (403, 498140), (620, 323791), (806, 249070), (1612, 124535), (2015, 99628), (4030, 49814), (8060, 24907)]