2465620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 5499648

約数和(自身を除く): 3034028

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 61, 86, 94, 122, 172, 188, 215, 235, 244, 305, 430, 470, 610, 860, 940, 1220, 2021, 2623, 2867, 4042, 5246, 5734, 8084, 10105, 10492, 11468, 13115, 14335, 20210, 26230, 28670, 40420, 52460, 57340, 123281, 246562, 493124, 616405, 1232810, 2465620]

約数ペア:

[(1, 2465620), (2, 1232810), (4, 616405), (5, 493124), (10, 246562), (20, 123281), (43, 57340), (47, 52460), (61, 40420), (86, 28670), (94, 26230), (122, 20210), (172, 14335), (188, 13115), (215, 11468), (235, 10492), (244, 10105), (305, 8084), (430, 5734), (470, 5246), (610, 4042), (860, 2867), (940, 2623), (1220, 2021)]