132678400

素因数分解:

$2^8\times 5^2\times {\mathrm{20731}}^1$

素因数の和:20757

約数の個数: 54

約数和(自身を含む): 328415612

約数和(自身を除く): 195737212

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, 3200, 6400, 20731, 41462, 82924, 103655, 165848, 207310, 331696, 414620, 518275, 663392, 829240, 1036550, 1326784, 1658480, 2073100, 2653568, 3316960, 4146200, 5307136, 6633920, 8292400, 13267840, 16584800, 26535680, 33169600, 66339200, 132678400]

約数ペア:

[(1, 132678400), (2, 66339200), (4, 33169600), (5, 26535680), (8, 16584800), (10, 13267840), (16, 8292400), (20, 6633920), (25, 5307136), (32, 4146200), (40, 3316960), (50, 2653568), (64, 2073100), (80, 1658480), (100, 1326784), (128, 1036550), (160, 829240), (200, 663392), (256, 518275), (320, 414620), (400, 331696), (640, 207310), (800, 165848), (1280, 103655), (1600, 82924), (3200, 41462), (6400, 20731)]