19750250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 40884480

約数和(自身を除く): 21134230

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 59, 65, 103, 118, 125, 130, 206, 250, 295, 325, 515, 590, 650, 767, 1030, 1339, 1475, 1534, 1625, 2575, 2678, 2950, 3250, 3835, 5150, 6077, 6695, 7375, 7670, 12154, 12875, 13390, 14750, 19175, 25750, 30385, 33475, 38350, 60770, 66950, 79001, 95875, 151925, 158002, 167375, 191750, 303850, 334750, 395005, 759625, 790010, 1519250, 1975025, 3950050, 9875125, 19750250]

約数ペア:

[(1, 19750250), (2, 9875125), (5, 3950050), (10, 1975025), (13, 1519250), (25, 790010), (26, 759625), (50, 395005), (59, 334750), (65, 303850), (103, 191750), (118, 167375), (125, 158002), (130, 151925), (206, 95875), (250, 79001), (295, 66950), (325, 60770), (515, 38350), (590, 33475), (650, 30385), (767, 25750), (1030, 19175), (1339, 14750), (1475, 13390), (1534, 12875), (1625, 12154), (2575, 7670), (2678, 7375), (2950, 6695), (3250, 6077), (3835, 5150)]