71144240

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11257}}^1$

素因数の和:11349

約数の個数: 40

約数和(自身を含む): 167519040

約数和(自身を除く): 96374800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 11257, 22514, 45028, 56285, 90056, 112570, 180112, 225140, 450280, 889303, 900560, 1778606, 3557212, 4446515, 7114424, 8893030, 14228848, 17786060, 35572120, 71144240]

約数ペア:

[(1, 71144240), (2, 35572120), (4, 17786060), (5, 14228848), (8, 8893030), (10, 7114424), (16, 4446515), (20, 3557212), (40, 1778606), (79, 900560), (80, 889303), (158, 450280), (316, 225140), (395, 180112), (632, 112570), (790, 90056), (1264, 56285), (1580, 45028), (3160, 22514), (6320, 11257)]