50537500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 119429856

約数和(自身を除く): 68892356

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 311, 325, 500, 622, 625, 650, 1244, 1250, 1300, 1555, 1625, 2500, 3110, 3125, 3250, 4043, 6220, 6250, 6500, 7775, 8086, 8125, 12500, 15550, 16172, 16250, 20215, 31100, 32500, 38875, 40430, 40625, 77750, 80860, 81250, 101075, 155500, 162500, 194375, 202150, 388750, 404300, 505375, 777500, 971875, 1010750, 1943750, 2021500, 2526875, 3887500, 5053750, 10107500, 12634375, 25268750, 50537500]

約数ペア:

[(1, 50537500), (2, 25268750), (4, 12634375), (5, 10107500), (10, 5053750), (13, 3887500), (20, 2526875), (25, 2021500), (26, 1943750), (50, 1010750), (52, 971875), (65, 777500), (100, 505375), (125, 404300), (130, 388750), (250, 202150), (260, 194375), (311, 162500), (325, 155500), (500, 101075), (622, 81250), (625, 80860), (650, 77750), (1244, 40625), (1250, 40430), (1300, 38875), (1555, 32500), (1625, 31100), (2500, 20215), (3110, 16250), (3125, 16172), (3250, 15550), (4043, 12500), (6220, 8125), (6250, 8086), (6500, 7775)]