64787740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3019}}^1$

素因数の和:3094

約数の個数: 48

約数和(自身を含む): 144597600

約数和(自身を除く): 79809860

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 3019, 4292, 5365, 6038, 10730, 12076, 15095, 21460, 30190, 60380, 87551, 111703, 175102, 223406, 350204, 437755, 446812, 558515, 875510, 1117030, 1751020, 2234060, 3239387, 6478774, 12957548, 16196935, 32393870, 64787740]

約数ペア:

[(1, 64787740), (2, 32393870), (4, 16196935), (5, 12957548), (10, 6478774), (20, 3239387), (29, 2234060), (37, 1751020), (58, 1117030), (74, 875510), (116, 558515), (145, 446812), (148, 437755), (185, 350204), (290, 223406), (370, 175102), (580, 111703), (740, 87551), (1073, 60380), (2146, 30190), (3019, 21460), (4292, 15095), (5365, 12076), (6038, 10730)]