28484320

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3359}}^1$

素因数の和:3427

約数の個数: 48

約数和(自身を含む): 68584320

約数和(自身を除く): 40100000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 3359, 4240, 6718, 8480, 13436, 16795, 26872, 33590, 53744, 67180, 107488, 134360, 178027, 268720, 356054, 537440, 712108, 890135, 1424216, 1780270, 2848432, 3560540, 5696864, 7121080, 14242160, 28484320]

約数ペア:

[(1, 28484320), (2, 14242160), (4, 7121080), (5, 5696864), (8, 3560540), (10, 2848432), (16, 1780270), (20, 1424216), (32, 890135), (40, 712108), (53, 537440), (80, 356054), (106, 268720), (160, 178027), (212, 134360), (265, 107488), (424, 67180), (530, 53744), (848, 33590), (1060, 26872), (1696, 16795), (2120, 13436), (3359, 8480), (4240, 6718)]