681087920

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{11071}}^1$

素因数の和:11853

約数の個数: 40

約数和(自身を含む): 1585731840

約数和(自身を除く): 904643920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1538, 3076, 3845, 6152, 7690, 11071, 12304, 15380, 22142, 30760, 44284, 55355, 61520, 88568, 110710, 177136, 221420, 442840, 885680, 8513599, 17027198, 34054396, 42567995, 68108792, 85135990, 136217584, 170271980, 340543960, 681087920]

約数ペア:

[(1, 681087920), (2, 340543960), (4, 170271980), (5, 136217584), (8, 85135990), (10, 68108792), (16, 42567995), (20, 34054396), (40, 17027198), (80, 8513599), (769, 885680), (1538, 442840), (3076, 221420), (3845, 177136), (6152, 110710), (7690, 88568), (11071, 61520), (12304, 55355), (15380, 44284), (22142, 30760)]