164003240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{110813}}^1$

素因数の和:110861

約数の個数: 32

約数和(自身を含む): 378983880

約数和(自身を除く): 214980640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 110813, 221626, 443252, 554065, 886504, 1108130, 2216260, 4100081, 4432520, 8200162, 16400324, 20500405, 32800648, 41000810, 82001620, 164003240]

約数ペア:

[(1, 164003240), (2, 82001620), (4, 41000810), (5, 32800648), (8, 20500405), (10, 16400324), (20, 8200162), (37, 4432520), (40, 4100081), (74, 2216260), (148, 1108130), (185, 886504), (296, 554065), (370, 443252), (740, 221626), (1480, 110813)]