12444760

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{739}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 28105200

約数和(自身を除く): 15660440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 739, 842, 1478, 1684, 2105, 2956, 3368, 3695, 4210, 5912, 7390, 8420, 14780, 16840, 29560, 311119, 622238, 1244476, 1555595, 2488952, 3111190, 6222380, 12444760]

約数ペア:

[(1, 12444760), (2, 6222380), (4, 3111190), (5, 2488952), (8, 1555595), (10, 1244476), (20, 622238), (40, 311119), (421, 29560), (739, 16840), (842, 14780), (1478, 8420), (1684, 7390), (2105, 5912), (2956, 4210), (3368, 3695)]