87738040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12979}}^1$

素因数の和:13016

約数の個数: 48

約数和(自身を含む): 213780600

約数和(自身を除く): 126042560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 12979, 25958, 51916, 64895, 103832, 129790, 168727, 259580, 337454, 519160, 674908, 843635, 1349816, 1687270, 2193451, 3374540, 4386902, 6749080, 8773804, 10967255, 17547608, 21934510, 43869020, 87738040]

約数ペア:

[(1, 87738040), (2, 43869020), (4, 21934510), (5, 17547608), (8, 10967255), (10, 8773804), (13, 6749080), (20, 4386902), (26, 3374540), (40, 2193451), (52, 1687270), (65, 1349816), (104, 843635), (130, 674908), (169, 519160), (260, 337454), (338, 259580), (520, 168727), (676, 129790), (845, 103832), (1352, 64895), (1690, 51916), (3380, 25958), (6760, 12979)]