26146640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 67662336

約数和(自身を除く): 41515696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 811, 1040, 1240, 1612, 1622, 2015, 2480, 3224, 3244, 4030, 4055, 6448, 6488, 8060, 8110, 10543, 12976, 16120, 16220, 21086, 25141, 32240, 32440, 42172, 50282, 52715, 64880, 84344, 100564, 105430, 125705, 168688, 201128, 210860, 251410, 326833, 402256, 421720, 502820, 653666, 843440, 1005640, 1307332, 1634165, 2011280, 2614664, 3268330, 5229328, 6536660, 13073320, 26146640]

約数ペア:

[(1, 26146640), (2, 13073320), (4, 6536660), (5, 5229328), (8, 3268330), (10, 2614664), (13, 2011280), (16, 1634165), (20, 1307332), (26, 1005640), (31, 843440), (40, 653666), (52, 502820), (62, 421720), (65, 402256), (80, 326833), (104, 251410), (124, 210860), (130, 201128), (155, 168688), (208, 125705), (248, 105430), (260, 100564), (310, 84344), (403, 64880), (496, 52715), (520, 50282), (620, 42172), (806, 32440), (811, 32240), (1040, 25141), (1240, 21086), (1612, 16220), (1622, 16120), (2015, 12976), (2480, 10543), (3224, 8110), (3244, 8060), (4030, 6488), (4055, 6448)]