40020695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 56899584

約数和(自身を除く): 16878889

約数列:

[1, 5, 11, 13, 55, 65, 143, 223, 251, 715, 1115, 1255, 2453, 2761, 2899, 3263, 12265, 13805, 14495, 16315, 31889, 35893, 55973, 159445, 179465, 279865, 615703, 727649, 3078515, 3638245, 8004139, 40020695]

約数ペア:

[(1, 40020695), (5, 8004139), (11, 3638245), (13, 3078515), (55, 727649), (65, 615703), (143, 279865), (223, 179465), (251, 159445), (715, 55973), (1115, 35893), (1255, 31889), (2453, 16315), (2761, 14495), (2899, 13805), (3263, 12265)]