68558620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15511}}^1$

素因数の和:15550

約数の個数: 48

約数和(自身を含む): 164179008

約数和(自身を除く): 95620388

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 15511, 31022, 62044, 77555, 155110, 201643, 263687, 310220, 403286, 527374, 806572, 1008215, 1054748, 1318435, 2016430, 2636870, 3427931, 4032860, 5273740, 6855862, 13711724, 17139655, 34279310, 68558620]

約数ペア:

[(1, 68558620), (2, 34279310), (4, 17139655), (5, 13711724), (10, 6855862), (13, 5273740), (17, 4032860), (20, 3427931), (26, 2636870), (34, 2016430), (52, 1318435), (65, 1054748), (68, 1008215), (85, 806572), (130, 527374), (170, 403286), (221, 310220), (260, 263687), (340, 201643), (442, 155110), (884, 77555), (1105, 62044), (2210, 31022), (4420, 15511)]