68868640

素因数分解:

$2^5\times 5^1\times {\mathrm{523}}^1\times {\mathrm{823}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 163211328

約数和(自身を除く): 94342688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 523, 823, 1046, 1646, 2092, 2615, 3292, 4115, 4184, 5230, 6584, 8230, 8368, 10460, 13168, 16460, 16736, 20920, 26336, 32920, 41840, 65840, 83680, 131680, 430429, 860858, 1721716, 2152145, 3443432, 4304290, 6886864, 8608580, 13773728, 17217160, 34434320, 68868640]

約数ペア:

[(1, 68868640), (2, 34434320), (4, 17217160), (5, 13773728), (8, 8608580), (10, 6886864), (16, 4304290), (20, 3443432), (32, 2152145), (40, 1721716), (80, 860858), (160, 430429), (523, 131680), (823, 83680), (1046, 65840), (1646, 41840), (2092, 32920), (2615, 26336), (3292, 20920), (4115, 16736), (4184, 16460), (5230, 13168), (6584, 10460), (8230, 8368)]