51523550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2613

約数の個数: 48

約数和(自身を含む): 106576512

約数和(自身を除く): 55052962

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 2557, 4030, 5114, 10075, 12785, 20150, 25570, 33241, 63925, 66482, 79267, 127850, 158534, 166205, 332410, 396335, 792670, 831025, 1030471, 1662050, 1981675, 2060942, 3963350, 5152355, 10304710, 25761775, 51523550]

約数ペア:

[(1, 51523550), (2, 25761775), (5, 10304710), (10, 5152355), (13, 3963350), (25, 2060942), (26, 1981675), (31, 1662050), (50, 1030471), (62, 831025), (65, 792670), (130, 396335), (155, 332410), (310, 166205), (325, 158534), (403, 127850), (650, 79267), (775, 66482), (806, 63925), (1550, 33241), (2015, 25570), (2557, 20150), (4030, 12785), (5114, 10075)]