81518060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18443}}^1$

素因数の和:18482

約数の個数: 48

約数和(自身を含む): 195211296

約数和(自身を除く): 113693236

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, 18443, 36886, 73772, 92215, 184430, 239759, 313531, 368860, 479518, 627062, 959036, 1198795, 1254124, 1567655, 2397590, 3135310, 4075903, 4795180, 6270620, 8151806, 16303612, 20379515, 40759030, 81518060]

約数ペア:

[(1, 81518060), (2, 40759030), (4, 20379515), (5, 16303612), (10, 8151806), (13, 6270620), (17, 4795180), (20, 4075903), (26, 3135310), (34, 2397590), (52, 1567655), (65, 1254124), (68, 1198795), (85, 959036), (130, 627062), (170, 479518), (221, 368860), (260, 313531), (340, 239759), (442, 184430), (884, 92215), (1105, 73772), (2210, 36886), (4420, 18443)]