28896800

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:942

約数の個数: 72

約数和(自身を含む): 72346932

約数和(自身を除く): 43450132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 656, 800, 820, 881, 1025, 1312, 1640, 1762, 2050, 3280, 3524, 4100, 4405, 6560, 7048, 8200, 8810, 14096, 16400, 17620, 22025, 28192, 32800, 35240, 36121, 44050, 70480, 72242, 88100, 140960, 144484, 176200, 180605, 288968, 352400, 361210, 577936, 704800, 722420, 903025, 1155872, 1444840, 1806050, 2889680, 3612100, 5779360, 7224200, 14448400, 28896800]

約数ペア:

[(1, 28896800), (2, 14448400), (4, 7224200), (5, 5779360), (8, 3612100), (10, 2889680), (16, 1806050), (20, 1444840), (25, 1155872), (32, 903025), (40, 722420), (41, 704800), (50, 577936), (80, 361210), (82, 352400), (100, 288968), (160, 180605), (164, 176200), (200, 144484), (205, 140960), (328, 88100), (400, 72242), (410, 70480), (656, 44050), (800, 36121), (820, 35240), (881, 32800), (1025, 28192), (1312, 22025), (1640, 17620), (1762, 16400), (2050, 14096), (3280, 8810), (3524, 8200), (4100, 7048), (4405, 6560)]