205171170040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{165460621}}^1$

素因数の和:165460663

約数の個数: 32

約数和(自身を含む): 476526591360

約数和(自身を除く): 271355421320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 165460621, 330921242, 661842484, 827303105, 1323684968, 1654606210, 3309212420, 5129279251, 6618424840, 10258558502, 20517117004, 25646396255, 41034234008, 51292792510, 102585585020, 205171170040]

約数ペア:

[(1, 205171170040), (2, 102585585020), (4, 51292792510), (5, 41034234008), (8, 25646396255), (10, 20517117004), (20, 10258558502), (31, 6618424840), (40, 5129279251), (62, 3309212420), (124, 1654606210), (155, 1323684968), (248, 827303105), (310, 661842484), (620, 330921242), (1240, 165460621)]