25509900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 82439168

約数和(自身を除く): 56929268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 211, 260, 300, 310, 325, 372, 390, 403, 422, 465, 620, 633, 650, 775, 780, 806, 844, 930, 975, 1055, 1209, 1266, 1300, 1550, 1612, 1860, 1950, 2015, 2110, 2325, 2418, 2532, 2743, 3100, 3165, 3900, 4030, 4220, 4650, 4836, 5275, 5486, 6045, 6330, 6541, 8060, 8229, 9300, 10075, 10550, 10972, 12090, 12660, 13082, 13715, 15825, 16458, 19623, 20150, 21100, 24180, 26164, 27430, 30225, 31650, 32705, 32916, 39246, 40300, 41145, 54860, 60450, 63300, 65410, 68575, 78492, 82290, 85033, 98115, 120900, 130820, 137150, 163525, 164580, 170066, 196230, 205725, 255099, 274300, 327050, 340132, 392460, 411450, 425165, 490575, 510198, 654100, 822900, 850330, 981150, 1020396, 1275495, 1700660, 1962300, 2125825, 2550990, 4251650, 5101980, 6377475, 8503300, 12754950, 25509900]

約数ペア:

[(1, 25509900), (2, 12754950), (3, 8503300), (4, 6377475), (5, 5101980), (6, 4251650), (10, 2550990), (12, 2125825), (13, 1962300), (15, 1700660), (20, 1275495), (25, 1020396), (26, 981150), (30, 850330), (31, 822900), (39, 654100), (50, 510198), (52, 490575), (60, 425165), (62, 411450), (65, 392460), (75, 340132), (78, 327050), (93, 274300), (100, 255099), (124, 205725), (130, 196230), (150, 170066), (155, 164580), (156, 163525), (186, 137150), (195, 130820), (211, 120900), (260, 98115), (300, 85033), (310, 82290), (325, 78492), (372, 68575), (390, 65410), (403, 63300), (422, 60450), (465, 54860), (620, 41145), (633, 40300), (650, 39246), (775, 32916), (780, 32705), (806, 31650), (844, 30225), (930, 27430), (975, 26164), (1055, 24180), (1209, 21100), (1266, 20150), (1300, 19623), (1550, 16458), (1612, 15825), (1860, 13715), (1950, 13082), (2015, 12660), (2110, 12090), (2325, 10972), (2418, 10550), (2532, 10075), (2743, 9300), (3100, 8229), (3165, 8060), (3900, 6541), (4030, 6330), (4220, 6045), (4650, 5486), (4836, 5275)]