53563240

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3373}}^1$

素因数の和:3781

約数の個数: 32

約数和(自身を含む): 120856680

約数和(自身を除く): 67293440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3373, 3970, 6746, 7940, 13492, 15880, 16865, 26984, 33730, 67460, 134920, 1339081, 2678162, 5356324, 6695405, 10712648, 13390810, 26781620, 53563240]

約数ペア:

[(1, 53563240), (2, 26781620), (4, 13390810), (5, 10712648), (8, 6695405), (10, 5356324), (20, 2678162), (40, 1339081), (397, 134920), (794, 67460), (1588, 33730), (1985, 26984), (3176, 16865), (3373, 15880), (3970, 13492), (6746, 7940)]