39489920

素因数分解:

$2^7\times 5^1\times {\mathrm{61703}}^1$

素因数の和:61722

約数の個数: 32

約数和(自身を含む): 94407120

約数和(自身を除く): 54917200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 61703, 123406, 246812, 308515, 493624, 617030, 987248, 1234060, 1974496, 2468120, 3948992, 4936240, 7897984, 9872480, 19744960, 39489920]

約数ペア:

[(1, 39489920), (2, 19744960), (4, 9872480), (5, 7897984), (8, 4936240), (10, 3948992), (16, 2468120), (20, 1974496), (32, 1234060), (40, 987248), (64, 617030), (80, 493624), (128, 308515), (160, 246812), (320, 123406), (640, 61703)]