26710840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1712

約数の個数: 64

約数和(自身を含む): 66850560

約数和(自身を除く): 40139720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 1657, 2015, 3224, 3314, 4030, 6628, 8060, 8285, 13256, 16120, 16570, 21541, 33140, 43082, 51367, 66280, 86164, 102734, 107705, 172328, 205468, 215410, 256835, 410936, 430820, 513670, 667771, 861640, 1027340, 1335542, 2054680, 2671084, 3338855, 5342168, 6677710, 13355420, 26710840]

約数ペア:

[(1, 26710840), (2, 13355420), (4, 6677710), (5, 5342168), (8, 3338855), (10, 2671084), (13, 2054680), (20, 1335542), (26, 1027340), (31, 861640), (40, 667771), (52, 513670), (62, 430820), (65, 410936), (104, 256835), (124, 215410), (130, 205468), (155, 172328), (248, 107705), (260, 102734), (310, 86164), (403, 66280), (520, 51367), (620, 43082), (806, 33140), (1240, 21541), (1612, 16570), (1657, 16120), (2015, 13256), (3224, 8285), (3314, 8060), (4030, 6628)]