8818420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2609}}^1$

素因数の和:2644

約数の個数: 36

約数和(自身を含む): 20060460

約数和(自身を除く): 11242040

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2609, 3380, 5218, 10436, 13045, 26090, 33917, 52180, 67834, 135668, 169585, 339170, 440921, 678340, 881842, 1763684, 2204605, 4409210, 8818420]

約数ペア:

[(1, 8818420), (2, 4409210), (4, 2204605), (5, 1763684), (10, 881842), (13, 678340), (20, 440921), (26, 339170), (52, 169585), (65, 135668), (130, 67834), (169, 52180), (260, 33917), (338, 26090), (676, 13045), (845, 10436), (1690, 5218), (2609, 3380)]