980800

素因数分解:

$2^6\times 5^2\times {\mathrm{613}}^1$

素因数の和:635

約数の個数: 42

約数和(自身を含む): 2417318

約数和(自身を除く): 1436518

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 613, 800, 1226, 1600, 2452, 3065, 4904, 6130, 9808, 12260, 15325, 19616, 24520, 30650, 39232, 49040, 61300, 98080, 122600, 196160, 245200, 490400, 980800]

約数ペア:

[(1, 980800), (2, 490400), (4, 245200), (5, 196160), (8, 122600), (10, 98080), (16, 61300), (20, 49040), (25, 39232), (32, 30650), (40, 24520), (50, 19616), (64, 15325), (80, 12260), (100, 9808), (160, 6130), (200, 4904), (320, 3065), (400, 2452), (613, 1600), (800, 1226)]