13616840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7243}}^1$

素因数の和:7301

約数の個数: 32

約数和(自身を含む): 31294080

約数和(自身を除く): 17677240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 7243, 14486, 28972, 36215, 57944, 72430, 144860, 289720, 340421, 680842, 1361684, 1702105, 2723368, 3404210, 6808420, 13616840]

約数ペア:

[(1, 13616840), (2, 6808420), (4, 3404210), (5, 2723368), (8, 1702105), (10, 1361684), (20, 680842), (40, 340421), (47, 289720), (94, 144860), (188, 72430), (235, 57944), (376, 36215), (470, 28972), (940, 14486), (1880, 7243)]