12817400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3373}}^1$

素因数の和:3408

約数の個数: 48

約数和(自身を含む): 31378200

約数和(自身を除く): 18560800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3373, 3800, 6746, 13492, 16865, 26984, 33730, 64087, 67460, 84325, 128174, 134920, 168650, 256348, 320435, 337300, 512696, 640870, 674600, 1281740, 1602175, 2563480, 3204350, 6408700, 12817400]

約数ペア:

[(1, 12817400), (2, 6408700), (4, 3204350), (5, 2563480), (8, 1602175), (10, 1281740), (19, 674600), (20, 640870), (25, 512696), (38, 337300), (40, 320435), (50, 256348), (76, 168650), (95, 134920), (100, 128174), (152, 84325), (190, 67460), (200, 64087), (380, 33730), (475, 26984), (760, 16865), (950, 13492), (1900, 6746), (3373, 3800)]