54220240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21863}}^1$

素因数の和:21907

約数の個数: 40

約数和(自身を含む): 130134528

約数和(自身を除く): 75914288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 21863, 43726, 87452, 109315, 174904, 218630, 349808, 437260, 677753, 874520, 1355506, 1749040, 2711012, 3388765, 5422024, 6777530, 10844048, 13555060, 27110120, 54220240]

約数ペア:

[(1, 54220240), (2, 27110120), (4, 13555060), (5, 10844048), (8, 6777530), (10, 5422024), (16, 3388765), (20, 2711012), (31, 1749040), (40, 1355506), (62, 874520), (80, 677753), (124, 437260), (155, 349808), (248, 218630), (310, 174904), (496, 109315), (620, 87452), (1240, 43726), (2480, 21863)]