65830420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1867}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 144986688

約数和(自身を除く): 79156268

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 1867, 3526, 3734, 7052, 7468, 8815, 9335, 17630, 18670, 35260, 37340, 76547, 80281, 153094, 160562, 306188, 321124, 382735, 401405, 765470, 802810, 1530940, 1605620, 3291521, 6583042, 13166084, 16457605, 32915210, 65830420]

約数ペア:

[(1, 65830420), (2, 32915210), (4, 16457605), (5, 13166084), (10, 6583042), (20, 3291521), (41, 1605620), (43, 1530940), (82, 802810), (86, 765470), (164, 401405), (172, 382735), (205, 321124), (215, 306188), (410, 160562), (430, 153094), (820, 80281), (860, 76547), (1763, 37340), (1867, 35260), (3526, 18670), (3734, 17630), (7052, 9335), (7468, 8815)]