40735120

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{787}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 94976064

約数和(自身を除く): 54240944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 787, 1294, 1574, 2588, 3148, 3235, 3935, 5176, 6296, 6470, 7870, 10352, 12592, 12940, 15740, 25880, 31480, 51760, 62960, 509189, 1018378, 2036756, 2545945, 4073512, 5091890, 8147024, 10183780, 20367560, 40735120]

約数ペア:

[(1, 40735120), (2, 20367560), (4, 10183780), (5, 8147024), (8, 5091890), (10, 4073512), (16, 2545945), (20, 2036756), (40, 1018378), (80, 509189), (647, 62960), (787, 51760), (1294, 31480), (1574, 25880), (2588, 15740), (3148, 12940), (3235, 12592), (3935, 10352), (5176, 7870), (6296, 6470)]