201657520

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{24473}}^1$

素因数の和:24589

約数の個数: 40

約数和(自身を含む): 473425056

約数和(自身を除く): 271767536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 24473, 48946, 97892, 122365, 195784, 244730, 391568, 489460, 978920, 1957840, 2520719, 5041438, 10082876, 12603595, 20165752, 25207190, 40331504, 50414380, 100828760, 201657520]

約数ペア:

[(1, 201657520), (2, 100828760), (4, 50414380), (5, 40331504), (8, 25207190), (10, 20165752), (16, 12603595), (20, 10082876), (40, 5041438), (80, 2520719), (103, 1957840), (206, 978920), (412, 489460), (515, 391568), (824, 244730), (1030, 195784), (1648, 122365), (2060, 97892), (4120, 48946), (8240, 24473)]