163480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 379440

約数和(自身を除く): 215960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 244, 268, 305, 335, 488, 536, 610, 670, 1220, 1340, 2440, 2680, 4087, 8174, 16348, 20435, 32696, 40870, 81740, 163480]

約数ペア:

[(1, 163480), (2, 81740), (4, 40870), (5, 32696), (8, 20435), (10, 16348), (20, 8174), (40, 4087), (61, 2680), (67, 2440), (122, 1340), (134, 1220), (244, 670), (268, 610), (305, 536), (335, 488)]