13119500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1419

約数の個数: 48

約数和(自身を含む): 30182880

約数和(自身を除く): 17063380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1381, 1900, 2375, 2762, 4750, 5524, 6905, 9500, 13810, 26239, 27620, 34525, 52478, 69050, 104956, 131195, 138100, 172625, 262390, 345250, 524780, 655975, 690500, 1311950, 2623900, 3279875, 6559750, 13119500]

約数ペア:

[(1, 13119500), (2, 6559750), (4, 3279875), (5, 2623900), (10, 1311950), (19, 690500), (20, 655975), (25, 524780), (38, 345250), (50, 262390), (76, 172625), (95, 138100), (100, 131195), (125, 104956), (190, 69050), (250, 52478), (380, 34525), (475, 27620), (500, 26239), (950, 13810), (1381, 9500), (1900, 6905), (2375, 5524), (2762, 4750)]