66620240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26863}}^1$

素因数の和:26907

約数の個数: 40

約数和(自身を含む): 159894528

約数和(自身を除く): 93274288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26863, 53726, 107452, 134315, 214904, 268630, 429808, 537260, 832753, 1074520, 1665506, 2149040, 3331012, 4163765, 6662024, 8327530, 13324048, 16655060, 33310120, 66620240]

約数ペア:

[(1, 66620240), (2, 33310120), (4, 16655060), (5, 13324048), (8, 8327530), (10, 6662024), (16, 4163765), (20, 3331012), (31, 2149040), (40, 1665506), (62, 1074520), (80, 832753), (124, 537260), (155, 429808), (248, 268630), (310, 214904), (496, 134315), (620, 107452), (1240, 53726), (2480, 26863)]