1558420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1163}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 3324384

約数和(自身を除く): 1765964

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1163, 1340, 2326, 4652, 5815, 11630, 23260, 77921, 155842, 311684, 389605, 779210, 1558420]

約数ペア:

[(1, 1558420), (2, 779210), (4, 389605), (5, 311684), (10, 155842), (20, 77921), (67, 23260), (134, 11630), (268, 5815), (335, 4652), (670, 2326), (1163, 1340)]