42287120

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6691}}^1$

素因数の和:6783

約数の個数: 40

約数和(自身を含む): 99576960

約数和(自身を除く): 57289840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 6691, 13382, 26764, 33455, 53528, 66910, 107056, 133820, 267640, 528589, 535280, 1057178, 2114356, 2642945, 4228712, 5285890, 8457424, 10571780, 21143560, 42287120]

約数ペア:

[(1, 42287120), (2, 21143560), (4, 10571780), (5, 8457424), (8, 5285890), (10, 4228712), (16, 2642945), (20, 2114356), (40, 1057178), (79, 535280), (80, 528589), (158, 267640), (316, 133820), (395, 107056), (632, 66910), (790, 53528), (1264, 33455), (1580, 26764), (3160, 13382), (6320, 6691)]