71737480

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1847}}^1$

素因数の和:2829

約数の個数: 32

約数和(自身を含む): 161663040

約数和(自身を除く): 89925560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1847, 1942, 3694, 3884, 4855, 7388, 7768, 9235, 9710, 14776, 18470, 19420, 36940, 38840, 73880, 1793437, 3586874, 7173748, 8967185, 14347496, 17934370, 35868740, 71737480]

約数ペア:

[(1, 71737480), (2, 35868740), (4, 17934370), (5, 14347496), (8, 8967185), (10, 7173748), (20, 3586874), (40, 1793437), (971, 73880), (1847, 38840), (1942, 36940), (3694, 19420), (3884, 18470), (4855, 14776), (7388, 9710), (7768, 9235)]