39220256

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 81920160

約数和(自身を除く): 42699904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 251, 257, 304, 502, 514, 608, 1004, 1028, 2008, 2056, 4016, 4112, 4769, 4883, 8032, 8224, 9538, 9766, 19076, 19532, 38152, 39064, 64507, 76304, 78128, 129014, 152608, 156256, 258028, 516056, 1032112, 1225633, 2064224, 2451266, 4902532, 9805064, 19610128, 39220256]

約数ペア:

[(1, 39220256), (2, 19610128), (4, 9805064), (8, 4902532), (16, 2451266), (19, 2064224), (32, 1225633), (38, 1032112), (76, 516056), (152, 258028), (251, 156256), (257, 152608), (304, 129014), (502, 78128), (514, 76304), (608, 64507), (1004, 39064), (1028, 38152), (2008, 19532), (2056, 19076), (4016, 9766), (4112, 9538), (4769, 8224), (4883, 8032)]