78429280

素因数分解:

$2^5\times 5^1\times {\mathrm{490183}}^1$

素因数の和:490198

約数の個数: 24

約数和(自身を含む): 185289552

約数和(自身を除く): 106860272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 490183, 980366, 1960732, 2450915, 3921464, 4901830, 7842928, 9803660, 15685856, 19607320, 39214640, 78429280]

約数ペア:

[(1, 78429280), (2, 39214640), (4, 19607320), (5, 15685856), (8, 9803660), (10, 7842928), (16, 4901830), (20, 3921464), (32, 2450915), (40, 1960732), (80, 980366), (160, 490183)]