61387240

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{4007}}^1$

素因数の和:4401

約数の個数: 32

約数和(自身を含む): 138516480

約数和(自身を除く): 77129240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 4007, 7660, 8014, 15320, 16028, 20035, 32056, 40070, 80140, 160280, 1534681, 3069362, 6138724, 7673405, 12277448, 15346810, 30693620, 61387240]

約数ペア:

[(1, 61387240), (2, 30693620), (4, 15346810), (5, 12277448), (8, 7673405), (10, 6138724), (20, 3069362), (40, 1534681), (383, 160280), (766, 80140), (1532, 40070), (1915, 32056), (3064, 20035), (3830, 16028), (4007, 15320), (7660, 8014)]