51788360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 129651840

約数和(自身を除く): 77863480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 163, 169, 188, 235, 260, 326, 338, 376, 470, 520, 611, 652, 676, 815, 845, 940, 1222, 1304, 1352, 1630, 1690, 1880, 2119, 2444, 3055, 3260, 3380, 4238, 4888, 6110, 6520, 6760, 7661, 7943, 8476, 10595, 12220, 15322, 15886, 16952, 21190, 24440, 27547, 30644, 31772, 38305, 39715, 42380, 55094, 61288, 63544, 76610, 79430, 84760, 99593, 110188, 137735, 153220, 158860, 199186, 220376, 275470, 306440, 317720, 398372, 497965, 550940, 796744, 995930, 1101880, 1294709, 1991860, 2589418, 3983720, 5178836, 6473545, 10357672, 12947090, 25894180, 51788360]

約数ペア:

[(1, 51788360), (2, 25894180), (4, 12947090), (5, 10357672), (8, 6473545), (10, 5178836), (13, 3983720), (20, 2589418), (26, 1991860), (40, 1294709), (47, 1101880), (52, 995930), (65, 796744), (94, 550940), (104, 497965), (130, 398372), (163, 317720), (169, 306440), (188, 275470), (235, 220376), (260, 199186), (326, 158860), (338, 153220), (376, 137735), (470, 110188), (520, 99593), (611, 84760), (652, 79430), (676, 76610), (815, 63544), (845, 61288), (940, 55094), (1222, 42380), (1304, 39715), (1352, 38305), (1630, 31772), (1690, 30644), (1880, 27547), (2119, 24440), (2444, 21190), (3055, 16952), (3260, 15886), (3380, 15322), (4238, 12220), (4888, 10595), (6110, 8476), (6520, 7943), (6760, 7661)]