13157950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 27248256

約数和(自身を除く): 14090306

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 653, 775, 806, 1306, 1550, 2015, 3265, 4030, 6530, 8489, 10075, 16325, 16978, 20150, 20243, 32650, 40486, 42445, 84890, 101215, 202430, 212225, 263159, 424450, 506075, 526318, 1012150, 1315795, 2631590, 6578975, 13157950]

約数ペア:

[(1, 13157950), (2, 6578975), (5, 2631590), (10, 1315795), (13, 1012150), (25, 526318), (26, 506075), (31, 424450), (50, 263159), (62, 212225), (65, 202430), (130, 101215), (155, 84890), (310, 42445), (325, 40486), (403, 32650), (650, 20243), (653, 20150), (775, 16978), (806, 16325), (1306, 10075), (1550, 8489), (2015, 6530), (3265, 4030)]