20183615440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{63727}}^1$

素因数の和:63884

約数の個数: 80

約数和(自身を含む): 48646386432

約数和(自身を除く): 28462770992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 107, 148, 185, 214, 296, 370, 428, 535, 592, 740, 856, 1070, 1480, 1712, 2140, 2960, 3959, 4280, 7918, 8560, 15836, 19795, 31672, 39590, 63344, 63727, 79180, 127454, 158360, 254908, 316720, 318635, 509816, 637270, 1019632, 1274540, 2357899, 2549080, 4715798, 5098160, 6818789, 9431596, 11789495, 13637578, 18863192, 23578990, 27275156, 34093945, 37726384, 47157980, 54550312, 68187890, 94315960, 109100624, 136375780, 188631920, 252295193, 272751560, 504590386, 545503120, 1009180772, 1261475965, 2018361544, 2522951930, 4036723088, 5045903860, 10091807720, 20183615440]

約数ペア:

[(1, 20183615440), (2, 10091807720), (4, 5045903860), (5, 4036723088), (8, 2522951930), (10, 2018361544), (16, 1261475965), (20, 1009180772), (37, 545503120), (40, 504590386), (74, 272751560), (80, 252295193), (107, 188631920), (148, 136375780), (185, 109100624), (214, 94315960), (296, 68187890), (370, 54550312), (428, 47157980), (535, 37726384), (592, 34093945), (740, 27275156), (856, 23578990), (1070, 18863192), (1480, 13637578), (1712, 11789495), (2140, 9431596), (2960, 6818789), (3959, 5098160), (4280, 4715798), (7918, 2549080), (8560, 2357899), (15836, 1274540), (19795, 1019632), (31672, 637270), (39590, 509816), (63344, 318635), (63727, 316720), (79180, 254908), (127454, 158360)]