4228760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 9655200

約数和(自身を除く): 5426440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1489, 2840, 2978, 5956, 7445, 11912, 14890, 29780, 59560, 105719, 211438, 422876, 528595, 845752, 1057190, 2114380, 4228760]

約数ペア:

[(1, 4228760), (2, 2114380), (4, 1057190), (5, 845752), (8, 528595), (10, 422876), (20, 211438), (40, 105719), (71, 59560), (142, 29780), (284, 14890), (355, 11912), (568, 7445), (710, 5956), (1420, 2978), (1489, 2840)]