81035200

素因数分解:

$2^6\times 5^2\times {\mathrm{50647}}^1$

素因数の和:50669

約数の個数: 42

約数和(自身を含む): 199401176

約数和(自身を除く): 118365976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 50647, 101294, 202588, 253235, 405176, 506470, 810352, 1012940, 1266175, 1620704, 2025880, 2532350, 3241408, 4051760, 5064700, 8103520, 10129400, 16207040, 20258800, 40517600, 81035200]

約数ペア:

[(1, 81035200), (2, 40517600), (4, 20258800), (5, 16207040), (8, 10129400), (10, 8103520), (16, 5064700), (20, 4051760), (25, 3241408), (32, 2532350), (40, 2025880), (50, 1620704), (64, 1266175), (80, 1012940), (100, 810352), (160, 506470), (200, 405176), (320, 253235), (400, 202588), (800, 101294), (1600, 50647)]