80068400

素因数分解:

$2^4\times 5^2\times {\mathrm{200171}}^1$

素因数の和:200189

約数の個数: 30

約数和(自身を含む): 192365292

約数和(自身を除く): 112296892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 200171, 400342, 800684, 1000855, 1601368, 2001710, 3202736, 4003420, 5004275, 8006840, 10008550, 16013680, 20017100, 40034200, 80068400]

約数ペア:

[(1, 80068400), (2, 40034200), (4, 20017100), (5, 16013680), (8, 10008550), (10, 8006840), (16, 5004275), (20, 4003420), (25, 3202736), (40, 2001710), (50, 1601368), (80, 1000855), (100, 800684), (200, 400342), (400, 200171)]