16198400

素因数分解:

$2^8\times 5^2\times {\mathrm{2531}}^1$

素因数の和:2557

約数の個数: 54

約数和(自身を含む): 40109412

約数和(自身を除く): 23911012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 2531, 3200, 5062, 6400, 10124, 12655, 20248, 25310, 40496, 50620, 63275, 80992, 101240, 126550, 161984, 202480, 253100, 323968, 404960, 506200, 647936, 809920, 1012400, 1619840, 2024800, 3239680, 4049600, 8099200, 16198400]

約数ペア:

[(1, 16198400), (2, 8099200), (4, 4049600), (5, 3239680), (8, 2024800), (10, 1619840), (16, 1012400), (20, 809920), (25, 647936), (32, 506200), (40, 404960), (50, 323968), (64, 253100), (80, 202480), (100, 161984), (128, 126550), (160, 101240), (200, 80992), (256, 63275), (320, 50620), (400, 40496), (640, 25310), (800, 20248), (1280, 12655), (1600, 10124), (2531, 6400), (3200, 5062)]