129321400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49739}}^1$

素因数の和:49768

約数の個数: 48

約数和(自身を含む): 323807400

約数和(自身を除く): 194486000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 49739, 99478, 198956, 248695, 397912, 497390, 646607, 994780, 1243475, 1293214, 1989560, 2486950, 2586428, 3233035, 4973900, 5172856, 6466070, 9947800, 12932140, 16165175, 25864280, 32330350, 64660700, 129321400]

約数ペア:

[(1, 129321400), (2, 64660700), (4, 32330350), (5, 25864280), (8, 16165175), (10, 12932140), (13, 9947800), (20, 6466070), (25, 5172856), (26, 4973900), (40, 3233035), (50, 2586428), (52, 2486950), (65, 1989560), (100, 1293214), (104, 1243475), (130, 994780), (200, 646607), (260, 497390), (325, 397912), (520, 248695), (650, 198956), (1300, 99478), (2600, 49739)]