201751280

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{16063}}^1$

素因数の和:16233

約数の個数: 40

約数和(自身を含む): 472088832

約数和(自身を除く): 270337552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 16063, 32126, 64252, 80315, 128504, 160630, 257008, 321260, 642520, 1285040, 2521891, 5043782, 10087564, 12609455, 20175128, 25218910, 40350256, 50437820, 100875640, 201751280]

約数ペア:

[(1, 201751280), (2, 100875640), (4, 50437820), (5, 40350256), (8, 25218910), (10, 20175128), (16, 12609455), (20, 10087564), (40, 5043782), (80, 2521891), (157, 1285040), (314, 642520), (628, 321260), (785, 257008), (1256, 160630), (1570, 128504), (2512, 80315), (3140, 64252), (6280, 32126), (12560, 16063)]