61718020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{33911}}^1$

素因数の和:33940

約数の個数: 48

約数和(自身を含む): 159522048

約数和(自身を除く): 97804028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 33911, 67822, 135644, 169555, 237377, 339110, 440843, 474754, 678220, 881686, 949508, 1186885, 1763372, 2204215, 2373770, 3085901, 4408430, 4747540, 6171802, 8816860, 12343604, 15429505, 30859010, 61718020]

約数ペア:

[(1, 61718020), (2, 30859010), (4, 15429505), (5, 12343604), (7, 8816860), (10, 6171802), (13, 4747540), (14, 4408430), (20, 3085901), (26, 2373770), (28, 2204215), (35, 1763372), (52, 1186885), (65, 949508), (70, 881686), (91, 678220), (130, 474754), (140, 440843), (182, 339110), (260, 237377), (364, 169555), (455, 135644), (910, 67822), (1820, 33911)]