25990720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 112

約数和(自身を含む): 72713088

約数和(自身を除く): 46722368

約数列:

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

約数ペア:

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