16805560

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7121}}^1$

素因数の和:7191

約数の個数: 32

約数和(自身を含む): 38458800

約数和(自身を除く): 21653240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 7121, 14242, 28484, 35605, 56968, 71210, 142420, 284840, 420139, 840278, 1680556, 2100695, 3361112, 4201390, 8402780, 16805560]

約数ペア:

[(1, 16805560), (2, 8402780), (4, 4201390), (5, 3361112), (8, 2100695), (10, 1680556), (20, 840278), (40, 420139), (59, 284840), (118, 142420), (236, 71210), (295, 56968), (472, 35605), (590, 28484), (1180, 14242), (2360, 7121)]