2156050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 4499712

約数和(自身を除く): 2343662

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 107, 130, 155, 214, 310, 325, 403, 535, 650, 775, 806, 1070, 1391, 1550, 2015, 2675, 2782, 3317, 4030, 5350, 6634, 6955, 10075, 13910, 16585, 20150, 33170, 34775, 43121, 69550, 82925, 86242, 165850, 215605, 431210, 1078025, 2156050]

約数ペア:

[(1, 2156050), (2, 1078025), (5, 431210), (10, 215605), (13, 165850), (25, 86242), (26, 82925), (31, 69550), (50, 43121), (62, 34775), (65, 33170), (107, 20150), (130, 16585), (155, 13910), (214, 10075), (310, 6955), (325, 6634), (403, 5350), (535, 4030), (650, 3317), (775, 2782), (806, 2675), (1070, 2015), (1391, 1550)]