28748200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11057}}^1$

素因数の和:11086

約数の個数: 48

約数和(自身を含む): 71987580

約数和(自身を除く): 43239380

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 11057, 22114, 44228, 55285, 88456, 110570, 143741, 221140, 276425, 287482, 442280, 552850, 574964, 718705, 1105700, 1149928, 1437410, 2211400, 2874820, 3593525, 5749640, 7187050, 14374100, 28748200]

約数ペア:

[(1, 28748200), (2, 14374100), (4, 7187050), (5, 5749640), (8, 3593525), (10, 2874820), (13, 2211400), (20, 1437410), (25, 1149928), (26, 1105700), (40, 718705), (50, 574964), (52, 552850), (65, 442280), (100, 287482), (104, 276425), (130, 221140), (200, 143741), (260, 110570), (325, 88456), (520, 55285), (650, 44228), (1300, 22114), (2600, 11057)]