20191009600

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{159739}}^1$

素因数の和:159840

約数の個数: 84

約数和(自身を含む): 50311710400

約数和(自身を除く): 30120700800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 632, 790, 800, 1264, 1580, 1600, 1975, 2528, 3160, 3950, 5056, 6320, 7900, 12640, 15800, 25280, 31600, 63200, 126400, 159739, 319478, 638956, 798695, 1277912, 1597390, 2555824, 3194780, 3993475, 5111648, 6389560, 7986950, 10223296, 12619381, 12779120, 15973900, 25238762, 25558240, 31947800, 50477524, 51116480, 63096905, 63895600, 100955048, 126193810, 127791200, 201910096, 252387620, 255582400, 315484525, 403820192, 504775240, 630969050, 807640384, 1009550480, 1261938100, 2019100960, 2523876200, 4038201920, 5047752400, 10095504800, 20191009600]

約数ペア:

[(1, 20191009600), (2, 10095504800), (4, 5047752400), (5, 4038201920), (8, 2523876200), (10, 2019100960), (16, 1261938100), (20, 1009550480), (25, 807640384), (32, 630969050), (40, 504775240), (50, 403820192), (64, 315484525), (79, 255582400), (80, 252387620), (100, 201910096), (158, 127791200), (160, 126193810), (200, 100955048), (316, 63895600), (320, 63096905), (395, 51116480), (400, 50477524), (632, 31947800), (790, 25558240), (800, 25238762), (1264, 15973900), (1580, 12779120), (1600, 12619381), (1975, 10223296), (2528, 7986950), (3160, 6389560), (3950, 5111648), (5056, 3993475), (6320, 3194780), (7900, 2555824), (12640, 1597390), (15800, 1277912), (25280, 798695), (31600, 638956), (63200, 319478), (126400, 159739)]