51709580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11699}}^1$

素因数の和:11738

約数の個数: 48

約数和(自身を含む): 123832800

約数和(自身を除く): 72123220

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, 11699, 23398, 46796, 58495, 116990, 152087, 198883, 233980, 304174, 397766, 608348, 760435, 795532, 994415, 1520870, 1988830, 2585479, 3041740, 3977660, 5170958, 10341916, 12927395, 25854790, 51709580]

約数ペア:

[(1, 51709580), (2, 25854790), (4, 12927395), (5, 10341916), (10, 5170958), (13, 3977660), (17, 3041740), (20, 2585479), (26, 1988830), (34, 1520870), (52, 994415), (65, 795532), (68, 760435), (85, 608348), (130, 397766), (170, 304174), (221, 233980), (260, 198883), (340, 152087), (442, 116990), (884, 58495), (1105, 46796), (2210, 23398), (4420, 11699)]