42129910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3137}}^1$

素因数の和:3240

約数の個数: 32

約数和(自身を含む): 81336960

約数和(自身を除く): 39207050

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 3137, 6274, 6715, 13430, 15685, 31370, 53329, 106658, 247823, 266645, 495646, 533290, 1239115, 2478230, 4212991, 8425982, 21064955, 42129910]

約数ペア:

[(1, 42129910), (2, 21064955), (5, 8425982), (10, 4212991), (17, 2478230), (34, 1239115), (79, 533290), (85, 495646), (158, 266645), (170, 247823), (395, 106658), (790, 53329), (1343, 31370), (2686, 15685), (3137, 13430), (6274, 6715)]