2009016080

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1\times {\mathrm{983}}^1$

素因数の和:1488

約数の個数: 80

約数和(自身を含む): 4765944960

約数和(自身を除く): 2756928880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 433, 472, 590, 866, 944, 983, 1180, 1732, 1966, 2165, 2360, 3464, 3932, 4330, 4720, 4915, 6928, 7864, 8660, 9830, 15728, 17320, 19660, 25547, 34640, 39320, 51094, 57997, 78640, 102188, 115994, 127735, 204376, 231988, 255470, 289985, 408752, 425639, 463976, 510940, 579970, 851278, 927952, 1021880, 1159940, 1702556, 2043760, 2128195, 2319880, 3405112, 4256390, 4639760, 6810224, 8512780, 17025560, 25112701, 34051120, 50225402, 100450804, 125563505, 200901608, 251127010, 401803216, 502254020, 1004508040, 2009016080]

約数ペア:

[(1, 2009016080), (2, 1004508040), (4, 502254020), (5, 401803216), (8, 251127010), (10, 200901608), (16, 125563505), (20, 100450804), (40, 50225402), (59, 34051120), (80, 25112701), (118, 17025560), (236, 8512780), (295, 6810224), (433, 4639760), (472, 4256390), (590, 3405112), (866, 2319880), (944, 2128195), (983, 2043760), (1180, 1702556), (1732, 1159940), (1966, 1021880), (2165, 927952), (2360, 851278), (3464, 579970), (3932, 510940), (4330, 463976), (4720, 425639), (4915, 408752), (6928, 289985), (7864, 255470), (8660, 231988), (9830, 204376), (15728, 127735), (17320, 115994), (19660, 102188), (25547, 78640), (34640, 57997), (39320, 51094)]