2013283400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{127423}}^1$

素因数の和:127518

約数の個数: 48

約数和(自身を含む): 4740172800

約数和(自身を除く): 2726889400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 7900, 15800, 127423, 254846, 509692, 637115, 1019384, 1274230, 2548460, 3185575, 5096920, 6371150, 10066417, 12742300, 20132834, 25484600, 40265668, 50332085, 80531336, 100664170, 201328340, 251660425, 402656680, 503320850, 1006641700, 2013283400]

約数ペア:

[(1, 2013283400), (2, 1006641700), (4, 503320850), (5, 402656680), (8, 251660425), (10, 201328340), (20, 100664170), (25, 80531336), (40, 50332085), (50, 40265668), (79, 25484600), (100, 20132834), (158, 12742300), (200, 10066417), (316, 6371150), (395, 5096920), (632, 3185575), (790, 2548460), (1580, 1274230), (1975, 1019384), (3160, 637115), (3950, 509692), (7900, 254846), (15800, 127423)]