27500720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:910

約数の個数: 80

約数和(自身を含む): 71162112

約数和(自身を除く): 43661392

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, 853, 1040, 1240, 1612, 1706, 2015, 2480, 3224, 3412, 4030, 4265, 6448, 6824, 8060, 8530, 11089, 13648, 16120, 17060, 22178, 26443, 32240, 34120, 44356, 52886, 55445, 68240, 88712, 105772, 110890, 132215, 177424, 211544, 221780, 264430, 343759, 423088, 443560, 528860, 687518, 887120, 1057720, 1375036, 1718795, 2115440, 2750072, 3437590, 5500144, 6875180, 13750360, 27500720]

約数ペア:

[(1, 27500720), (2, 13750360), (4, 6875180), (5, 5500144), (8, 3437590), (10, 2750072), (13, 2115440), (16, 1718795), (20, 1375036), (26, 1057720), (31, 887120), (40, 687518), (52, 528860), (62, 443560), (65, 423088), (80, 343759), (104, 264430), (124, 221780), (130, 211544), (155, 177424), (208, 132215), (248, 110890), (260, 105772), (310, 88712), (403, 68240), (496, 55445), (520, 52886), (620, 44356), (806, 34120), (853, 32240), (1040, 26443), (1240, 22178), (1612, 17060), (1706, 16120), (2015, 13648), (2480, 11089), (3224, 8530), (3412, 8060), (4030, 6824), (4265, 6448)]