68337620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15461}}^1$

素因数の和:15500

約数の個数: 48

約数和(自身を含む): 163649808

約数和(自身を除く): 95312188

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, 15461, 30922, 61844, 77305, 154610, 200993, 262837, 309220, 401986, 525674, 803972, 1004965, 1051348, 1314185, 2009930, 2628370, 3416881, 4019860, 5256740, 6833762, 13667524, 17084405, 34168810, 68337620]

約数ペア:

[(1, 68337620), (2, 34168810), (4, 17084405), (5, 13667524), (10, 6833762), (13, 5256740), (17, 4019860), (20, 3416881), (26, 2628370), (34, 2009930), (52, 1314185), (65, 1051348), (68, 1004965), (85, 803972), (130, 525674), (170, 401986), (221, 309220), (260, 262837), (340, 200993), (442, 154610), (884, 77305), (1105, 61844), (2210, 30922), (4420, 15461)]