20184594800

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{7177}}^1$

素因数の和:7363

約数の個数: 120

約数和(自身を含む): 49666017600

約数和(自身を除く): 29481422800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 89, 100, 158, 178, 200, 316, 356, 395, 400, 445, 632, 712, 790, 890, 1264, 1424, 1580, 1780, 1975, 2225, 3160, 3560, 3950, 4450, 6320, 7031, 7120, 7177, 7900, 8900, 14062, 14354, 15800, 17800, 28124, 28708, 31600, 35155, 35600, 35885, 56248, 57416, 70310, 71770, 112496, 114832, 140620, 143540, 175775, 179425, 281240, 287080, 351550, 358850, 562480, 566983, 574160, 638753, 703100, 717700, 1133966, 1277506, 1406200, 1435400, 2267932, 2555012, 2812400, 2834915, 2870800, 3193765, 4535864, 5110024, 5669830, 6387530, 9071728, 10220048, 11339660, 12775060, 14174575, 15968825, 22679320, 25550120, 28349150, 31937650, 45358640, 50461487, 51100240, 56698300, 63875300, 100922974, 113396600, 127750600, 201845948, 226793200, 252307435, 255501200, 403691896, 504614870, 807383792, 1009229740, 1261537175, 2018459480, 2523074350, 4036918960, 5046148700, 10092297400, 20184594800]

約数ペア:

[(1, 20184594800), (2, 10092297400), (4, 5046148700), (5, 4036918960), (8, 2523074350), (10, 2018459480), (16, 1261537175), (20, 1009229740), (25, 807383792), (40, 504614870), (50, 403691896), (79, 255501200), (80, 252307435), (89, 226793200), (100, 201845948), (158, 127750600), (178, 113396600), (200, 100922974), (316, 63875300), (356, 56698300), (395, 51100240), (400, 50461487), (445, 45358640), (632, 31937650), (712, 28349150), (790, 25550120), (890, 22679320), (1264, 15968825), (1424, 14174575), (1580, 12775060), (1780, 11339660), (1975, 10220048), (2225, 9071728), (3160, 6387530), (3560, 5669830), (3950, 5110024), (4450, 4535864), (6320, 3193765), (7031, 2870800), (7120, 2834915), (7177, 2812400), (7900, 2555012), (8900, 2267932), (14062, 1435400), (14354, 1406200), (15800, 1277506), (17800, 1133966), (28124, 717700), (28708, 703100), (31600, 638753), (35155, 574160), (35600, 566983), (35885, 562480), (56248, 358850), (57416, 351550), (70310, 287080), (71770, 281240), (112496, 179425), (114832, 175775), (140620, 143540)]