164077240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{110863}}^1$

素因数の和:110911

約数の個数: 32

約数和(自身を含む): 379154880

約数和(自身を除く): 215077640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 110863, 221726, 443452, 554315, 886904, 1108630, 2217260, 4101931, 4434520, 8203862, 16407724, 20509655, 32815448, 41019310, 82038620, 164077240]

約数ペア:

[(1, 164077240), (2, 82038620), (4, 41019310), (5, 32815448), (8, 20509655), (10, 16407724), (20, 8203862), (37, 4434520), (40, 4101931), (74, 2217260), (148, 1108630), (185, 886904), (296, 554315), (370, 443452), (740, 221726), (1480, 110863)]