81748550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4057}}^1$

素因数の和:4113

約数の個数: 48

約数和(自身を含む): 169072512

約数和(自身を除く): 87323962

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 4057, 8114, 10075, 20150, 20285, 40570, 52741, 101425, 105482, 125767, 202850, 251534, 263705, 527410, 628835, 1257670, 1318525, 1634971, 2637050, 3144175, 3269942, 6288350, 8174855, 16349710, 40874275, 81748550]

約数ペア:

[(1, 81748550), (2, 40874275), (5, 16349710), (10, 8174855), (13, 6288350), (25, 3269942), (26, 3144175), (31, 2637050), (50, 1634971), (62, 1318525), (65, 1257670), (130, 628835), (155, 527410), (310, 263705), (325, 251534), (403, 202850), (650, 125767), (775, 105482), (806, 101425), (1550, 52741), (2015, 40570), (4030, 20285), (4057, 20150), (8114, 10075)]