27688120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16883}}^1$

素因数の和:16935

約数の個数: 32

約数和(自身を含む): 63821520

約数和(自身を除く): 36133400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16883, 33766, 67532, 84415, 135064, 168830, 337660, 675320, 692203, 1384406, 2768812, 3461015, 5537624, 6922030, 13844060, 27688120]

約数ペア:

[(1, 27688120), (2, 13844060), (4, 6922030), (5, 5537624), (8, 3461015), (10, 2768812), (20, 1384406), (40, 692203), (41, 675320), (82, 337660), (164, 168830), (205, 135064), (328, 84415), (410, 67532), (820, 33766), (1640, 16883)]