81027200

素因数分解:

$2^7\times 5^2\times {\mathrm{25321}}^1$

素因数の和:25345

約数の個数: 48

約数和(自身を含む): 200170410

約数和(自身を除く): 119143210

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 25321, 50642, 101284, 126605, 202568, 253210, 405136, 506420, 633025, 810272, 1012840, 1266050, 1620544, 2025680, 2532100, 3241088, 4051360, 5064200, 8102720, 10128400, 16205440, 20256800, 40513600, 81027200]

約数ペア:

[(1, 81027200), (2, 40513600), (4, 20256800), (5, 16205440), (8, 10128400), (10, 8102720), (16, 5064200), (20, 4051360), (25, 3241088), (32, 2532100), (40, 2025680), (50, 1620544), (64, 1266050), (80, 1012840), (100, 810272), (128, 633025), (160, 506420), (200, 405136), (320, 253210), (400, 202568), (640, 126605), (800, 101284), (1600, 50642), (3200, 25321)]