31130360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40961}}^1$

素因数の和:40991

約数の個数: 32

約数和(自身を含む): 73731600

約数和(自身を除く): 42601240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40961, 81922, 163844, 204805, 327688, 409610, 778259, 819220, 1556518, 1638440, 3113036, 3891295, 6226072, 7782590, 15565180, 31130360]

約数ペア:

[(1, 31130360), (2, 15565180), (4, 7782590), (5, 6226072), (8, 3891295), (10, 3113036), (19, 1638440), (20, 1556518), (38, 819220), (40, 778259), (76, 409610), (95, 327688), (152, 204805), (190, 163844), (380, 81922), (760, 40961)]