82719620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1091}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 184923648

約数和(自身を除く): 102204028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 223, 340, 446, 892, 1091, 1115, 2182, 2230, 3791, 4364, 4460, 5455, 7582, 10910, 15164, 18547, 18955, 21820, 37094, 37910, 74188, 75820, 92735, 185470, 243293, 370940, 486586, 973172, 1216465, 2432930, 4135981, 4865860, 8271962, 16543924, 20679905, 41359810, 82719620]

約数ペア:

[(1, 82719620), (2, 41359810), (4, 20679905), (5, 16543924), (10, 8271962), (17, 4865860), (20, 4135981), (34, 2432930), (68, 1216465), (85, 973172), (170, 486586), (223, 370940), (340, 243293), (446, 185470), (892, 92735), (1091, 75820), (1115, 74188), (2182, 37910), (2230, 37094), (3791, 21820), (4364, 18955), (4460, 18547), (5455, 15164), (7582, 10910)]