123040420

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{16763}}^1$

素因数の和:17139

約数の個数: 24

約数和(自身を含む): 259104384

約数和(自身を除く): 136063964

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 16763, 33526, 67052, 83815, 167630, 335260, 6152021, 12304042, 24608084, 30760105, 61520210, 123040420]

約数ペア:

[(1, 123040420), (2, 61520210), (4, 30760105), (5, 24608084), (10, 12304042), (20, 6152021), (367, 335260), (734, 167630), (1468, 83815), (1835, 67052), (3670, 33526), (7340, 16763)]