561496120

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{33343}}^1$

素因数の和:33775

約数の個数: 32

約数和(自身を含む): 1266405120

約数和(自身を除く): 704909000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 33343, 66686, 133372, 166715, 266744, 333430, 666860, 1333720, 14037403, 28074806, 56149612, 70187015, 112299224, 140374030, 280748060, 561496120]

約数ペア:

[(1, 561496120), (2, 280748060), (4, 140374030), (5, 112299224), (8, 70187015), (10, 56149612), (20, 28074806), (40, 14037403), (421, 1333720), (842, 666860), (1684, 333430), (2105, 266744), (3368, 166715), (4210, 133372), (8420, 66686), (16840, 33343)]