1990042525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{1399}}^1\times {\mathrm{3347}}^1$

素因数の和:4773

約数の個数: 24

約数和(自身を含む): 2615457600

約数和(自身を除く): 625415075

約数列:

[1, 5, 17, 25, 85, 425, 1399, 3347, 6995, 16735, 23783, 34975, 56899, 83675, 118915, 284495, 594575, 1422475, 4682453, 23412265, 79601701, 117061325, 398008505, 1990042525]

約数ペア:

[(1, 1990042525), (5, 398008505), (17, 117061325), (25, 79601701), (85, 23412265), (425, 4682453), (1399, 1422475), (3347, 594575), (6995, 284495), (16735, 118915), (23783, 83675), (34975, 56899)]