20169966250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{359}}^1\times {\mathrm{6421}}^1$

素因数の和:6809

約数の個数: 80

約数和(自身を含む): 43334628480

約数和(自身を除く): 23164662230

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 359, 625, 718, 875, 1250, 1750, 1795, 2513, 3590, 4375, 5026, 6421, 8750, 8975, 12565, 12842, 17950, 25130, 32105, 44875, 44947, 62825, 64210, 89750, 89894, 125650, 160525, 224375, 224735, 314125, 321050, 448750, 449470, 628250, 802625, 1123675, 1570625, 1605250, 2247350, 2305139, 3141250, 4013125, 4610278, 5618375, 8026250, 11236750, 11525695, 16135973, 23051390, 28091875, 32271946, 56183750, 57628475, 80679865, 115256950, 161359730, 288142375, 403399325, 576284750, 806798650, 1440711875, 2016996625, 2881423750, 4033993250, 10084983125, 20169966250]

約数ペア:

[(1, 20169966250), (2, 10084983125), (5, 4033993250), (7, 2881423750), (10, 2016996625), (14, 1440711875), (25, 806798650), (35, 576284750), (50, 403399325), (70, 288142375), (125, 161359730), (175, 115256950), (250, 80679865), (350, 57628475), (359, 56183750), (625, 32271946), (718, 28091875), (875, 23051390), (1250, 16135973), (1750, 11525695), (1795, 11236750), (2513, 8026250), (3590, 5618375), (4375, 4610278), (5026, 4013125), (6421, 3141250), (8750, 2305139), (8975, 2247350), (12565, 1605250), (12842, 1570625), (17950, 1123675), (25130, 802625), (32105, 628250), (44875, 449470), (44947, 448750), (62825, 321050), (64210, 314125), (89750, 224735), (89894, 224375), (125650, 160525)]