291402080

素因数分解:

$2^5\times 5^1\times {\mathrm{1821263}}^1$

素因数の和:1821278

約数の個数: 24

約数和(自身を含む): 688437792

約数和(自身を除く): 397035712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1821263, 3642526, 7285052, 9106315, 14570104, 18212630, 29140208, 36425260, 58280416, 72850520, 145701040, 291402080]

約数ペア:

[(1, 291402080), (2, 145701040), (4, 72850520), (5, 58280416), (8, 36425260), (10, 29140208), (16, 18212630), (20, 14570104), (32, 9106315), (40, 7285052), (80, 3642526), (160, 1821263)]