40107520

素因数分解:

$2^9\times 5^1\times {\mathrm{15667}}^1$

素因数の和:15690

約数の個数: 40

約数和(自身を含む): 96170184

約数和(自身を除く): 56062664

約数列:

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

約数ペア:

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