4251650

素因数分解:

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

素因数の和:267

約数の個数: 48

約数和(自身を含む): 8832768

約数和(自身を除く): 4581118

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 211, 310, 325, 403, 422, 650, 775, 806, 1055, 1550, 2015, 2110, 2743, 4030, 5275, 5486, 6541, 10075, 10550, 13082, 13715, 20150, 27430, 32705, 65410, 68575, 85033, 137150, 163525, 170066, 327050, 425165, 850330, 2125825, 4251650]

約数ペア:

[(1, 4251650), (2, 2125825), (5, 850330), (10, 425165), (13, 327050), (25, 170066), (26, 163525), (31, 137150), (50, 85033), (62, 68575), (65, 65410), (130, 32705), (155, 27430), (211, 20150), (310, 13715), (325, 13082), (403, 10550), (422, 10075), (650, 6541), (775, 5486), (806, 5275), (1055, 4030), (1550, 2743), (2015, 2110)]