20080432400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{166781}}^1$

素因数の和:166849

約数の個数: 120

約数和(自身を含む): 56417680704

約数和(自身を除く): 36337248304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 43, 50, 56, 70, 80, 86, 100, 112, 140, 172, 175, 200, 215, 280, 301, 344, 350, 400, 430, 560, 602, 688, 700, 860, 1075, 1204, 1400, 1505, 1720, 2150, 2408, 2800, 3010, 3440, 4300, 4816, 6020, 7525, 8600, 12040, 15050, 17200, 24080, 30100, 60200, 120400, 166781, 333562, 667124, 833905, 1167467, 1334248, 1667810, 2334934, 2668496, 3335620, 4169525, 4669868, 5837335, 6671240, 7171583, 8339050, 9339736, 11674670, 13342480, 14343166, 16678100, 18679472, 23349340, 28686332, 29186675, 33356200, 35857915, 46698680, 50201081, 57372664, 58373350, 66712400, 71715830, 93397360, 100402162, 114745328, 116746700, 143431660, 179289575, 200804324, 233493400, 251005405, 286863320, 358579150, 401608648, 466986800, 502010810, 573726640, 717158300, 803217296, 1004021620, 1255027025, 1434316600, 2008043240, 2510054050, 2868633200, 4016086480, 5020108100, 10040216200, 20080432400]

約数ペア:

[(1, 20080432400), (2, 10040216200), (4, 5020108100), (5, 4016086480), (7, 2868633200), (8, 2510054050), (10, 2008043240), (14, 1434316600), (16, 1255027025), (20, 1004021620), (25, 803217296), (28, 717158300), (35, 573726640), (40, 502010810), (43, 466986800), (50, 401608648), (56, 358579150), (70, 286863320), (80, 251005405), (86, 233493400), (100, 200804324), (112, 179289575), (140, 143431660), (172, 116746700), (175, 114745328), (200, 100402162), (215, 93397360), (280, 71715830), (301, 66712400), (344, 58373350), (350, 57372664), (400, 50201081), (430, 46698680), (560, 35857915), (602, 33356200), (688, 29186675), (700, 28686332), (860, 23349340), (1075, 18679472), (1204, 16678100), (1400, 14343166), (1505, 13342480), (1720, 11674670), (2150, 9339736), (2408, 8339050), (2800, 7171583), (3010, 6671240), (3440, 5837335), (4300, 4669868), (4816, 4169525), (6020, 3335620), (7525, 2668496), (8600, 2334934), (12040, 1667810), (15050, 1334248), (17200, 1167467), (24080, 833905), (30100, 667124), (60200, 333562), (120400, 166781)]