2013487220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1\times {\mathrm{1487}}^1$

素因数の和:2432

約数の個数: 48

約数和(自身を含む): 4289725440

約数和(自身を除く): 2276238220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 857, 1487, 1580, 1714, 2974, 3428, 4285, 5948, 7435, 8570, 14870, 17140, 29740, 67703, 117473, 135406, 234946, 270812, 338515, 469892, 587365, 677030, 1174730, 1274359, 1354060, 2349460, 2548718, 5097436, 6371795, 12743590, 25487180, 100674361, 201348722, 402697444, 503371805, 1006743610, 2013487220]

約数ペア:

[(1, 2013487220), (2, 1006743610), (4, 503371805), (5, 402697444), (10, 201348722), (20, 100674361), (79, 25487180), (158, 12743590), (316, 6371795), (395, 5097436), (790, 2548718), (857, 2349460), (1487, 1354060), (1580, 1274359), (1714, 1174730), (2974, 677030), (3428, 587365), (4285, 469892), (5948, 338515), (7435, 270812), (8570, 234946), (14870, 135406), (17140, 117473), (29740, 67703)]