61351480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49477}}^1$

素因数の和:49519

約数の個数: 32

約数和(自身を含む): 142496640

約数和(自身を除く): 81145160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 49477, 98954, 197908, 247385, 395816, 494770, 989540, 1533787, 1979080, 3067574, 6135148, 7668935, 12270296, 15337870, 30675740, 61351480]

約数ペア:

[(1, 61351480), (2, 30675740), (4, 15337870), (5, 12270296), (8, 7668935), (10, 6135148), (20, 3067574), (31, 1979080), (40, 1533787), (62, 989540), (124, 494770), (155, 395816), (248, 247385), (310, 197908), (620, 98954), (1240, 49477)]