67719340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1439}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 154103040

約数和(自身を除く): 86383700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1439, 1810, 2353, 2878, 3620, 4706, 5756, 7195, 9412, 11765, 14390, 18707, 23530, 28780, 37414, 47060, 74828, 93535, 187070, 260459, 374140, 520918, 1041836, 1302295, 2604590, 3385967, 5209180, 6771934, 13543868, 16929835, 33859670, 67719340]

約数ペア:

[(1, 67719340), (2, 33859670), (4, 16929835), (5, 13543868), (10, 6771934), (13, 5209180), (20, 3385967), (26, 2604590), (52, 1302295), (65, 1041836), (130, 520918), (181, 374140), (260, 260459), (362, 187070), (724, 93535), (905, 74828), (1439, 47060), (1810, 37414), (2353, 28780), (2878, 23530), (3620, 18707), (4706, 14390), (5756, 11765), (7195, 9412)]