157340840

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{4051}}^1$

素因数の和:5033

約数の個数: 32

約数和(自身を含む): 354468960

約数和(自身を除く): 197128120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4051, 4855, 7768, 8102, 9710, 16204, 19420, 20255, 32408, 38840, 40510, 81020, 162040, 3933521, 7867042, 15734084, 19667605, 31468168, 39335210, 78670420, 157340840]

約数ペア:

[(1, 157340840), (2, 78670420), (4, 39335210), (5, 31468168), (8, 19667605), (10, 15734084), (20, 7867042), (40, 3933521), (971, 162040), (1942, 81020), (3884, 40510), (4051, 38840), (4855, 32408), (7768, 20255), (8102, 19420), (9710, 16204)]