7891240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28183}}^1$

素因数の和:28201

約数の個数: 32

約数和(自身を含む): 20292480

約数和(自身を除く): 12401240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28183, 56366, 112732, 140915, 197281, 225464, 281830, 394562, 563660, 789124, 986405, 1127320, 1578248, 1972810, 3945620, 7891240]

約数ペア:

[(1, 7891240), (2, 3945620), (4, 1972810), (5, 1578248), (7, 1127320), (8, 986405), (10, 789124), (14, 563660), (20, 394562), (28, 281830), (35, 225464), (40, 197281), (56, 140915), (70, 112732), (140, 56366), (280, 28183)]