51981440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 145998720

約数和(自身を除く): 94017280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 160, 164, 205, 224, 280, 283, 287, 320, 328, 410, 448, 560, 566, 574, 640, 656, 820, 896, 1120, 1132, 1148, 1312, 1415, 1435, 1640, 1981, 2240, 2264, 2296, 2624, 2830, 2870, 3280, 3962, 4480, 4528, 4592, 5248, 5660, 5740, 6560, 7924, 9056, 9184, 9905, 11320, 11480, 11603, 13120, 15848, 18112, 18368, 19810, 22640, 22960, 23206, 26240, 31696, 36224, 36736, 39620, 45280, 45920, 46412, 58015, 63392, 79240, 81221, 90560, 91840, 92824, 116030, 126784, 158480, 162442, 181120, 183680, 185648, 232060, 253568, 316960, 324884, 371296, 406105, 464120, 633920, 649768, 742592, 812210, 928240, 1267840, 1299536, 1485184, 1624420, 1856480, 2599072, 3248840, 3712960, 5198144, 6497680, 7425920, 10396288, 12995360, 25990720, 51981440]

約数ペア:

[(1, 51981440), (2, 25990720), (4, 12995360), (5, 10396288), (7, 7425920), (8, 6497680), (10, 5198144), (14, 3712960), (16, 3248840), (20, 2599072), (28, 1856480), (32, 1624420), (35, 1485184), (40, 1299536), (41, 1267840), (56, 928240), (64, 812210), (70, 742592), (80, 649768), (82, 633920), (112, 464120), (128, 406105), (140, 371296), (160, 324884), (164, 316960), (205, 253568), (224, 232060), (280, 185648), (283, 183680), (287, 181120), (320, 162442), (328, 158480), (410, 126784), (448, 116030), (560, 92824), (566, 91840), (574, 90560), (640, 81221), (656, 79240), (820, 63392), (896, 58015), (1120, 46412), (1132, 45920), (1148, 45280), (1312, 39620), (1415, 36736), (1435, 36224), (1640, 31696), (1981, 26240), (2240, 23206), (2264, 22960), (2296, 22640), (2624, 19810), (2830, 18368), (2870, 18112), (3280, 15848), (3962, 13120), (4480, 11603), (4528, 11480), (4592, 11320), (5248, 9905), (5660, 9184), (5740, 9056), (6560, 7924)]