40882880

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:777

約数の個数: 56

約数和(自身を含む): 97932240

約数和(自身を除く): 57049360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 502, 509, 1004, 1018, 1255, 2008, 2036, 2510, 2545, 4016, 4072, 5020, 5090, 8032, 8144, 10040, 10180, 16064, 16288, 20080, 20360, 32576, 40160, 40720, 80320, 81440, 127759, 162880, 255518, 511036, 638795, 1022072, 1277590, 2044144, 2555180, 4088288, 5110360, 8176576, 10220720, 20441440, 40882880]

約数ペア:

[(1, 40882880), (2, 20441440), (4, 10220720), (5, 8176576), (8, 5110360), (10, 4088288), (16, 2555180), (20, 2044144), (32, 1277590), (40, 1022072), (64, 638795), (80, 511036), (160, 255518), (251, 162880), (320, 127759), (502, 81440), (509, 80320), (1004, 40720), (1018, 40160), (1255, 32576), (2008, 20360), (2036, 20080), (2510, 16288), (2545, 16064), (4016, 10180), (4072, 10040), (5020, 8144), (5090, 8032)]