128468000

素因数分解:

$2^5\times 5^3\times {\mathrm{32117}}^1$

素因数の和:32142

約数の個数: 48

約数和(自身を含む): 315655704

約数和(自身を除く): 187187704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 32117, 64234, 128468, 160585, 256936, 321170, 513872, 642340, 802925, 1027744, 1284680, 1605850, 2569360, 3211700, 4014625, 5138720, 6423400, 8029250, 12846800, 16058500, 25693600, 32117000, 64234000, 128468000]

約数ペア:

[(1, 128468000), (2, 64234000), (4, 32117000), (5, 25693600), (8, 16058500), (10, 12846800), (16, 8029250), (20, 6423400), (25, 5138720), (32, 4014625), (40, 3211700), (50, 2569360), (80, 1605850), (100, 1284680), (125, 1027744), (160, 802925), (200, 642340), (250, 513872), (400, 321170), (500, 256936), (800, 160585), (1000, 128468), (2000, 64234), (4000, 32117)]