105815020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{48539}}^1$

素因数の和:48657

約数の個数: 24

約数和(自身を含む): 224254800

約数和(自身を除く): 118439780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 48539, 97078, 194156, 242695, 485390, 970780, 5290751, 10581502, 21163004, 26453755, 52907510, 105815020]

約数ペア:

[(1, 105815020), (2, 52907510), (4, 26453755), (5, 21163004), (10, 10581502), (20, 5290751), (109, 970780), (218, 485390), (436, 242695), (545, 194156), (1090, 97078), (2180, 48539)]