127772080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51521}}^1$

素因数の和:51565

約数の個数: 40

約数和(自身を含む): 306658944

約数和(自身を除く): 178886864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 51521, 103042, 206084, 257605, 412168, 515210, 824336, 1030420, 1597151, 2060840, 3194302, 4121680, 6388604, 7985755, 12777208, 15971510, 25554416, 31943020, 63886040, 127772080]

約数ペア:

[(1, 127772080), (2, 63886040), (4, 31943020), (5, 25554416), (8, 15971510), (10, 12777208), (16, 7985755), (20, 6388604), (31, 4121680), (40, 3194302), (62, 2060840), (80, 1597151), (124, 1030420), (155, 824336), (248, 515210), (310, 412168), (496, 257605), (620, 206084), (1240, 103042), (2480, 51521)]