12895600

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:434

約数の個数: 60

約数和(自身を含む): 31382416

約数和(自身を除く): 18486816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 313, 400, 412, 515, 626, 824, 1030, 1252, 1565, 1648, 2060, 2504, 2575, 3130, 4120, 5008, 5150, 6260, 7825, 8240, 10300, 12520, 15650, 20600, 25040, 31300, 32239, 41200, 62600, 64478, 125200, 128956, 161195, 257912, 322390, 515824, 644780, 805975, 1289560, 1611950, 2579120, 3223900, 6447800, 12895600]

約数ペア:

[(1, 12895600), (2, 6447800), (4, 3223900), (5, 2579120), (8, 1611950), (10, 1289560), (16, 805975), (20, 644780), (25, 515824), (40, 322390), (50, 257912), (80, 161195), (100, 128956), (103, 125200), (200, 64478), (206, 62600), (313, 41200), (400, 32239), (412, 31300), (515, 25040), (626, 20600), (824, 15650), (1030, 12520), (1252, 10300), (1565, 8240), (1648, 7825), (2060, 6260), (2504, 5150), (2575, 5008), (3130, 4120)]