12365860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 28224000

約数和(自身を除く): 15858140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 239, 260, 398, 478, 796, 956, 995, 1195, 1990, 2390, 2587, 3107, 3980, 4780, 5174, 6214, 10348, 12428, 12935, 15535, 25870, 31070, 47561, 51740, 62140, 95122, 190244, 237805, 475610, 618293, 951220, 1236586, 2473172, 3091465, 6182930, 12365860]

約数ペア:

[(1, 12365860), (2, 6182930), (4, 3091465), (5, 2473172), (10, 1236586), (13, 951220), (20, 618293), (26, 475610), (52, 237805), (65, 190244), (130, 95122), (199, 62140), (239, 51740), (260, 47561), (398, 31070), (478, 25870), (796, 15535), (956, 12935), (995, 12428), (1195, 10348), (1990, 6214), (2390, 5174), (2587, 4780), (3107, 3980)]