28854260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 62487936

約数和(自身を除く): 33633676

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 163, 167, 212, 265, 326, 334, 530, 652, 668, 815, 835, 1060, 1630, 1670, 3260, 3340, 8639, 8851, 17278, 17702, 27221, 34556, 35404, 43195, 44255, 54442, 86390, 88510, 108884, 136105, 172780, 177020, 272210, 544420, 1442713, 2885426, 5770852, 7213565, 14427130, 28854260]

約数ペア:

[(1, 28854260), (2, 14427130), (4, 7213565), (5, 5770852), (10, 2885426), (20, 1442713), (53, 544420), (106, 272210), (163, 177020), (167, 172780), (212, 136105), (265, 108884), (326, 88510), (334, 86390), (530, 54442), (652, 44255), (668, 43195), (815, 35404), (835, 34556), (1060, 27221), (1630, 17702), (1670, 17278), (3260, 8851), (3340, 8639)]