193710520

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{11503}}^1$

素因数の和:11935

約数の個数: 32

約数和(自身を含む): 436921920

約数和(自身を除く): 243211400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 11503, 16840, 23006, 46012, 57515, 92024, 115030, 230060, 460120, 4842763, 9685526, 19371052, 24213815, 38742104, 48427630, 96855260, 193710520]

約数ペア:

[(1, 193710520), (2, 96855260), (4, 48427630), (5, 38742104), (8, 24213815), (10, 19371052), (20, 9685526), (40, 4842763), (421, 460120), (842, 230060), (1684, 115030), (2105, 92024), (3368, 57515), (4210, 46012), (8420, 23006), (11503, 16840)]