55159540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2152

約数の個数: 48

約数和(自身を含む): 122411520

約数和(自身を除く): 67251980

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2069, 2666, 4138, 5332, 6665, 8276, 10345, 13330, 20690, 26660, 41380, 64139, 88967, 128278, 177934, 256556, 320695, 355868, 444835, 641390, 889670, 1282780, 1779340, 2757977, 5515954, 11031908, 13789885, 27579770, 55159540]

約数ペア:

[(1, 55159540), (2, 27579770), (4, 13789885), (5, 11031908), (10, 5515954), (20, 2757977), (31, 1779340), (43, 1282780), (62, 889670), (86, 641390), (124, 444835), (155, 355868), (172, 320695), (215, 256556), (310, 177934), (430, 128278), (620, 88967), (860, 64139), (1333, 41380), (2069, 26660), (2666, 20690), (4138, 13330), (5332, 10345), (6665, 8276)]