1986437680

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1\times {\mathrm{523}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 4670085024

約数和(自身を除く): 2683647344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 241, 394, 482, 523, 788, 964, 985, 1046, 1205, 1576, 1928, 1970, 2092, 2410, 2615, 3152, 3856, 3940, 4184, 4820, 5230, 7880, 8368, 9640, 10460, 15760, 19280, 20920, 41840, 47477, 94954, 103031, 126043, 189908, 206062, 237385, 252086, 379816, 412124, 474770, 504172, 515155, 630215, 759632, 824248, 949540, 1008344, 1030310, 1260430, 1648496, 1899080, 2016688, 2060620, 2520860, 3798160, 4121240, 5041720, 8242480, 10083440, 24830471, 49660942, 99321884, 124152355, 198643768, 248304710, 397287536, 496609420, 993218840, 1986437680]

約数ペア:

[(1, 1986437680), (2, 993218840), (4, 496609420), (5, 397287536), (8, 248304710), (10, 198643768), (16, 124152355), (20, 99321884), (40, 49660942), (80, 24830471), (197, 10083440), (241, 8242480), (394, 5041720), (482, 4121240), (523, 3798160), (788, 2520860), (964, 2060620), (985, 2016688), (1046, 1899080), (1205, 1648496), (1576, 1260430), (1928, 1030310), (1970, 1008344), (2092, 949540), (2410, 824248), (2615, 759632), (3152, 630215), (3856, 515155), (3940, 504172), (4184, 474770), (4820, 412124), (5230, 379816), (7880, 252086), (8368, 237385), (9640, 206062), (10460, 189908), (15760, 126043), (19280, 103031), (20920, 94954), (41840, 47477)]