55271450

素因数分解:

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

素因数の和:280

約数の個数: 72

約数和(自身を含む): 115456896

約数和(自身を除く): 60185446

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 169, 211, 310, 325, 338, 403, 422, 650, 775, 806, 845, 1055, 1550, 1690, 2015, 2110, 2743, 4030, 4225, 5239, 5275, 5486, 6541, 8450, 10075, 10478, 10550, 13082, 13715, 20150, 26195, 27430, 32705, 35659, 52390, 65410, 68575, 71318, 85033, 130975, 137150, 163525, 170066, 178295, 261950, 327050, 356590, 425165, 850330, 891475, 1105429, 1782950, 2125825, 2210858, 4251650, 5527145, 11054290, 27635725, 55271450]

約数ペア:

[(1, 55271450), (2, 27635725), (5, 11054290), (10, 5527145), (13, 4251650), (25, 2210858), (26, 2125825), (31, 1782950), (50, 1105429), (62, 891475), (65, 850330), (130, 425165), (155, 356590), (169, 327050), (211, 261950), (310, 178295), (325, 170066), (338, 163525), (403, 137150), (422, 130975), (650, 85033), (775, 71318), (806, 68575), (845, 65410), (1055, 52390), (1550, 35659), (1690, 32705), (2015, 27430), (2110, 26195), (2743, 20150), (4030, 13715), (4225, 13082), (5239, 10550), (5275, 10478), (5486, 10075), (6541, 8450)]