4931240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 11784960

約数和(自身を除く): 6853720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 61, 86, 94, 122, 172, 188, 215, 235, 244, 305, 344, 376, 430, 470, 488, 610, 860, 940, 1220, 1720, 1880, 2021, 2440, 2623, 2867, 4042, 5246, 5734, 8084, 10105, 10492, 11468, 13115, 14335, 16168, 20210, 20984, 22936, 26230, 28670, 40420, 52460, 57340, 80840, 104920, 114680, 123281, 246562, 493124, 616405, 986248, 1232810, 2465620, 4931240]

約数ペア:

[(1, 4931240), (2, 2465620), (4, 1232810), (5, 986248), (8, 616405), (10, 493124), (20, 246562), (40, 123281), (43, 114680), (47, 104920), (61, 80840), (86, 57340), (94, 52460), (122, 40420), (172, 28670), (188, 26230), (215, 22936), (235, 20984), (244, 20210), (305, 16168), (344, 14335), (376, 13115), (430, 11468), (470, 10492), (488, 10105), (610, 8084), (860, 5734), (940, 5246), (1220, 4042), (1720, 2867), (1880, 2623), (2021, 2440)]