20189383600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{18911}}^1$

素因数の和:19103

約数の個数: 120

約数和(自身を含む): 51688084608

約数和(自身を除く): 31498701008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 157, 170, 200, 272, 314, 340, 400, 425, 628, 680, 785, 850, 1256, 1360, 1570, 1700, 2512, 2669, 3140, 3400, 3925, 5338, 6280, 6800, 7850, 10676, 12560, 13345, 15700, 18911, 21352, 26690, 31400, 37822, 42704, 53380, 62800, 66725, 75644, 94555, 106760, 133450, 151288, 189110, 213520, 266900, 302576, 321487, 378220, 472775, 533800, 642974, 756440, 945550, 1067600, 1285948, 1512880, 1607435, 1891100, 2571896, 2969027, 3214870, 3782200, 5143792, 5938054, 6429740, 7564400, 8037175, 11876108, 12859480, 14845135, 16074350, 23752216, 25718960, 29690270, 32148700, 47504432, 50473459, 59380540, 64297400, 74225675, 100946918, 118761080, 128594800, 148451350, 201893836, 237522160, 252367295, 296902700, 403787672, 504734590, 593805400, 807575344, 1009469180, 1187610800, 1261836475, 2018938360, 2523672950, 4037876720, 5047345900, 10094691800, 20189383600]

約数ペア:

[(1, 20189383600), (2, 10094691800), (4, 5047345900), (5, 4037876720), (8, 2523672950), (10, 2018938360), (16, 1261836475), (17, 1187610800), (20, 1009469180), (25, 807575344), (34, 593805400), (40, 504734590), (50, 403787672), (68, 296902700), (80, 252367295), (85, 237522160), (100, 201893836), (136, 148451350), (157, 128594800), (170, 118761080), (200, 100946918), (272, 74225675), (314, 64297400), (340, 59380540), (400, 50473459), (425, 47504432), (628, 32148700), (680, 29690270), (785, 25718960), (850, 23752216), (1256, 16074350), (1360, 14845135), (1570, 12859480), (1700, 11876108), (2512, 8037175), (2669, 7564400), (3140, 6429740), (3400, 5938054), (3925, 5143792), (5338, 3782200), (6280, 3214870), (6800, 2969027), (7850, 2571896), (10676, 1891100), (12560, 1607435), (13345, 1512880), (15700, 1285948), (18911, 1067600), (21352, 945550), (26690, 756440), (31400, 642974), (37822, 533800), (42704, 472775), (53380, 378220), (62800, 321487), (66725, 302576), (75644, 266900), (94555, 213520), (106760, 189110), (133450, 151288)]