16845440

素因数分解:

$2^7\times 5^1\times {\mathrm{26321}}^1$

素因数の和:26340

約数の個数: 32

約数和(自身を含む): 40272660

約数和(自身を除く): 23427220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 26321, 52642, 105284, 131605, 210568, 263210, 421136, 526420, 842272, 1052840, 1684544, 2105680, 3369088, 4211360, 8422720, 16845440]

約数ペア:

[(1, 16845440), (2, 8422720), (4, 4211360), (5, 3369088), (8, 2105680), (10, 1684544), (16, 1052840), (20, 842272), (32, 526420), (40, 421136), (64, 263210), (80, 210568), (128, 131605), (160, 105284), (320, 52642), (640, 26321)]