27784250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 57238272

約数和(自身を除く): 29454022

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 103, 125, 130, 166, 206, 250, 325, 415, 515, 650, 830, 1030, 1079, 1339, 1625, 2075, 2158, 2575, 2678, 3250, 4150, 5150, 5395, 6695, 8549, 10375, 10790, 12875, 13390, 17098, 20750, 25750, 26975, 33475, 42745, 53950, 66950, 85490, 111137, 134875, 167375, 213725, 222274, 269750, 334750, 427450, 555685, 1068625, 1111370, 2137250, 2778425, 5556850, 13892125, 27784250]

約数ペア:

[(1, 27784250), (2, 13892125), (5, 5556850), (10, 2778425), (13, 2137250), (25, 1111370), (26, 1068625), (50, 555685), (65, 427450), (83, 334750), (103, 269750), (125, 222274), (130, 213725), (166, 167375), (206, 134875), (250, 111137), (325, 85490), (415, 66950), (515, 53950), (650, 42745), (830, 33475), (1030, 26975), (1079, 25750), (1339, 20750), (1625, 17098), (2075, 13390), (2158, 12875), (2575, 10790), (2678, 10375), (3250, 8549), (4150, 6695), (5150, 5395)]