51437702920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3613}}^1\times {\mathrm{8681}}^1$

素因数の和:12346

約数の個数: 64

約数和(自身を含む): 118604107440

約数和(自身を除く): 67166404520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 3613, 7226, 8681, 14452, 17362, 18065, 28904, 34724, 36130, 43405, 69448, 72260, 86810, 144520, 148133, 173620, 296266, 347240, 355921, 592532, 711842, 740665, 1185064, 1423684, 1481330, 1779605, 2847368, 2962660, 3559210, 5925320, 7118420, 14236840, 31364453, 62728906, 125457812, 156822265, 250915624, 313644530, 627289060, 1254578120, 1285942573, 2571885146, 5143770292, 6429712865, 10287540584, 12859425730, 25718851460, 51437702920]

約数ペア:

[(1, 51437702920), (2, 25718851460), (4, 12859425730), (5, 10287540584), (8, 6429712865), (10, 5143770292), (20, 2571885146), (40, 1285942573), (41, 1254578120), (82, 627289060), (164, 313644530), (205, 250915624), (328, 156822265), (410, 125457812), (820, 62728906), (1640, 31364453), (3613, 14236840), (7226, 7118420), (8681, 5925320), (14452, 3559210), (17362, 2962660), (18065, 2847368), (28904, 1779605), (34724, 1481330), (36130, 1423684), (43405, 1185064), (69448, 740665), (72260, 711842), (86810, 592532), (144520, 355921), (148133, 347240), (173620, 296266)]