80420710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{1289}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 153809280

約数和(自身を除く): 73388570

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 367, 734, 1289, 1835, 2578, 3670, 6239, 6445, 12478, 12890, 21913, 31195, 43826, 62390, 109565, 219130, 473063, 946126, 2365315, 4730630, 8042071, 16084142, 40210355, 80420710]

約数ペア:

[(1, 80420710), (2, 40210355), (5, 16084142), (10, 8042071), (17, 4730630), (34, 2365315), (85, 946126), (170, 473063), (367, 219130), (734, 109565), (1289, 62390), (1835, 43826), (2578, 31195), (3670, 21913), (6239, 12890), (6445, 12478)]