80215040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{15667}}^1$

素因数の和:15692

約数の個数: 44

約数和(自身を含む): 192434376

約数和(自身を除く): 112219336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 15667, 31334, 62668, 78335, 125336, 156670, 250672, 313340, 501344, 626680, 1002688, 1253360, 2005376, 2506720, 4010752, 5013440, 8021504, 10026880, 16043008, 20053760, 40107520, 80215040]

約数ペア:

[(1, 80215040), (2, 40107520), (4, 20053760), (5, 16043008), (8, 10026880), (10, 8021504), (16, 5013440), (20, 4010752), (32, 2506720), (40, 2005376), (64, 1253360), (80, 1002688), (128, 626680), (160, 501344), (256, 313340), (320, 250672), (512, 156670), (640, 125336), (1024, 78335), (1280, 62668), (2560, 31334), (5120, 15667)]