818320

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 1948536

約数和(自身を除く): 1130216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 193, 212, 265, 386, 424, 530, 772, 848, 965, 1060, 1544, 1930, 2120, 3088, 3860, 4240, 7720, 10229, 15440, 20458, 40916, 51145, 81832, 102290, 163664, 204580, 409160, 818320]

約数ペア:

[(1, 818320), (2, 409160), (4, 204580), (5, 163664), (8, 102290), (10, 81832), (16, 51145), (20, 40916), (40, 20458), (53, 15440), (80, 10229), (106, 7720), (193, 4240), (212, 3860), (265, 3088), (386, 2120), (424, 1930), (530, 1544), (772, 1060), (848, 965)]