28817200

素因数分解:

$2^4\times 5^2\times {\mathrm{72043}}^1$

素因数の和:72061

約数の個数: 30

約数和(自身を含む): 69234284

約数和(自身を除く): 40417084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 72043, 144086, 288172, 360215, 576344, 720430, 1152688, 1440860, 1801075, 2881720, 3602150, 5763440, 7204300, 14408600, 28817200]

約数ペア:

[(1, 28817200), (2, 14408600), (4, 7204300), (5, 5763440), (8, 3602150), (10, 2881720), (16, 1801075), (20, 1440860), (25, 1152688), (40, 720430), (50, 576344), (80, 360215), (100, 288172), (200, 144086), (400, 72043)]