40387540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4621}}^1$

素因数の和:4672

約数の個数: 48

約数和(自身を含む): 93179520

約数和(自身を除く): 52791980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 4621, 8740, 9242, 18484, 23105, 46210, 87799, 92420, 106283, 175598, 212566, 351196, 425132, 438995, 531415, 877990, 1062830, 1755980, 2019377, 2125660, 4038754, 8077508, 10096885, 20193770, 40387540]

約数ペア:

[(1, 40387540), (2, 20193770), (4, 10096885), (5, 8077508), (10, 4038754), (19, 2125660), (20, 2019377), (23, 1755980), (38, 1062830), (46, 877990), (76, 531415), (92, 438995), (95, 425132), (115, 351196), (190, 212566), (230, 175598), (380, 106283), (437, 92420), (460, 87799), (874, 46210), (1748, 23105), (2185, 18484), (4370, 9242), (4621, 8740)]