26781200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 120

約数和(自身を含む): 69745536

約数和(自身を除く): 42964336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 41, 46, 50, 71, 80, 82, 92, 100, 115, 142, 164, 184, 200, 205, 230, 284, 328, 355, 368, 400, 410, 460, 568, 575, 656, 710, 820, 920, 943, 1025, 1136, 1150, 1420, 1633, 1640, 1775, 1840, 1886, 2050, 2300, 2840, 2911, 3266, 3280, 3550, 3772, 4100, 4600, 4715, 5680, 5822, 6532, 7100, 7544, 8165, 8200, 9200, 9430, 11644, 13064, 14200, 14555, 15088, 16330, 16400, 18860, 23288, 23575, 26128, 28400, 29110, 32660, 37720, 40825, 46576, 47150, 58220, 65320, 66953, 72775, 75440, 81650, 94300, 116440, 130640, 133906, 145550, 163300, 188600, 232880, 267812, 291100, 326600, 334765, 377200, 535624, 582200, 653200, 669530, 1071248, 1164400, 1339060, 1673825, 2678120, 3347650, 5356240, 6695300, 13390600, 26781200]

約数ペア:

[(1, 26781200), (2, 13390600), (4, 6695300), (5, 5356240), (8, 3347650), (10, 2678120), (16, 1673825), (20, 1339060), (23, 1164400), (25, 1071248), (40, 669530), (41, 653200), (46, 582200), (50, 535624), (71, 377200), (80, 334765), (82, 326600), (92, 291100), (100, 267812), (115, 232880), (142, 188600), (164, 163300), (184, 145550), (200, 133906), (205, 130640), (230, 116440), (284, 94300), (328, 81650), (355, 75440), (368, 72775), (400, 66953), (410, 65320), (460, 58220), (568, 47150), (575, 46576), (656, 40825), (710, 37720), (820, 32660), (920, 29110), (943, 28400), (1025, 26128), (1136, 23575), (1150, 23288), (1420, 18860), (1633, 16400), (1640, 16330), (1775, 15088), (1840, 14555), (1886, 14200), (2050, 13064), (2300, 11644), (2840, 9430), (2911, 9200), (3266, 8200), (3280, 8165), (3550, 7544), (3772, 7100), (4100, 6532), (4600, 5822), (4715, 5680)]