26111320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 42317480

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 43, 47, 68, 76, 85, 86, 94, 95, 136, 152, 170, 172, 188, 190, 215, 235, 323, 340, 344, 376, 380, 430, 470, 646, 680, 731, 760, 799, 817, 860, 893, 940, 1292, 1462, 1598, 1615, 1634, 1720, 1786, 1880, 2021, 2584, 2924, 3196, 3230, 3268, 3572, 3655, 3995, 4042, 4085, 4465, 5848, 6392, 6460, 6536, 7144, 7310, 7990, 8084, 8170, 8930, 10105, 12920, 13889, 14620, 15181, 15980, 16168, 16340, 17860, 20210, 27778, 29240, 30362, 31960, 32680, 34357, 35720, 38399, 40420, 55556, 60724, 68714, 69445, 75905, 76798, 80840, 111112, 121448, 137428, 138890, 151810, 153596, 171785, 191995, 274856, 277780, 303620, 307192, 343570, 383990, 555560, 607240, 652783, 687140, 767980, 1305566, 1374280, 1535960, 2611132, 3263915, 5222264, 6527830, 13055660, 26111320]

約数ペア:

[(1, 26111320), (2, 13055660), (4, 6527830), (5, 5222264), (8, 3263915), (10, 2611132), (17, 1535960), (19, 1374280), (20, 1305566), (34, 767980), (38, 687140), (40, 652783), (43, 607240), (47, 555560), (68, 383990), (76, 343570), (85, 307192), (86, 303620), (94, 277780), (95, 274856), (136, 191995), (152, 171785), (170, 153596), (172, 151810), (188, 138890), (190, 137428), (215, 121448), (235, 111112), (323, 80840), (340, 76798), (344, 75905), (376, 69445), (380, 68714), (430, 60724), (470, 55556), (646, 40420), (680, 38399), (731, 35720), (760, 34357), (799, 32680), (817, 31960), (860, 30362), (893, 29240), (940, 27778), (1292, 20210), (1462, 17860), (1598, 16340), (1615, 16168), (1634, 15980), (1720, 15181), (1786, 14620), (1880, 13889), (2021, 12920), (2584, 10105), (2924, 8930), (3196, 8170), (3230, 8084), (3268, 7990), (3572, 7310), (3655, 7144), (3995, 6536), (4042, 6460), (4085, 6392), (4465, 5848)]