71310640

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2693}}^1$

素因数の和:3037

約数の個数: 40

約数和(自身を含む): 166359888

約数和(自身を除く): 95049248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 2693, 3310, 5296, 5386, 6620, 10772, 13240, 13465, 21544, 26480, 26930, 43088, 53860, 107720, 215440, 891383, 1782766, 3565532, 4456915, 7131064, 8913830, 14262128, 17827660, 35655320, 71310640]

約数ペア:

[(1, 71310640), (2, 35655320), (4, 17827660), (5, 14262128), (8, 8913830), (10, 7131064), (16, 4456915), (20, 3565532), (40, 1782766), (80, 891383), (331, 215440), (662, 107720), (1324, 53860), (1655, 43088), (2648, 26930), (2693, 26480), (3310, 21544), (5296, 13465), (5386, 13240), (6620, 10772)]