26402020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 63745920

約数和(自身を除く): 37343900

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 61, 67, 68, 76, 85, 95, 122, 134, 170, 190, 244, 268, 305, 323, 335, 340, 380, 610, 646, 670, 1037, 1139, 1159, 1220, 1273, 1292, 1340, 1615, 2074, 2278, 2318, 2546, 3230, 4087, 4148, 4556, 4636, 5092, 5185, 5695, 5795, 6365, 6460, 8174, 10370, 11390, 11590, 12730, 16348, 19703, 20435, 20740, 21641, 22780, 23180, 25460, 39406, 40870, 43282, 69479, 77653, 78812, 81740, 86564, 98515, 108205, 138958, 155306, 197030, 216410, 277916, 310612, 347395, 388265, 394060, 432820, 694790, 776530, 1320101, 1389580, 1553060, 2640202, 5280404, 6600505, 13201010, 26402020]

約数ペア:

[(1, 26402020), (2, 13201010), (4, 6600505), (5, 5280404), (10, 2640202), (17, 1553060), (19, 1389580), (20, 1320101), (34, 776530), (38, 694790), (61, 432820), (67, 394060), (68, 388265), (76, 347395), (85, 310612), (95, 277916), (122, 216410), (134, 197030), (170, 155306), (190, 138958), (244, 108205), (268, 98515), (305, 86564), (323, 81740), (335, 78812), (340, 77653), (380, 69479), (610, 43282), (646, 40870), (670, 39406), (1037, 25460), (1139, 23180), (1159, 22780), (1220, 21641), (1273, 20740), (1292, 20435), (1340, 19703), (1615, 16348), (2074, 12730), (2278, 11590), (2318, 11390), (2546, 10370), (3230, 8174), (4087, 6460), (4148, 6365), (4556, 5795), (4636, 5695), (5092, 5185)]