87699820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 214361280

約数和(自身を除く): 126661460

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 41, 52, 65, 76, 82, 95, 130, 164, 190, 205, 247, 260, 380, 410, 433, 494, 533, 779, 820, 866, 988, 1066, 1235, 1558, 1732, 2132, 2165, 2470, 2665, 3116, 3895, 4330, 4940, 5330, 5629, 7790, 8227, 8660, 10127, 10660, 11258, 15580, 16454, 17753, 20254, 22516, 28145, 32908, 35506, 40508, 41135, 50635, 56290, 71012, 82270, 88765, 101270, 106951, 112580, 164540, 177530, 202540, 213902, 230789, 337307, 355060, 427804, 461578, 534755, 674614, 923156, 1069510, 1153945, 1349228, 1686535, 2139020, 2307890, 3373070, 4384991, 4615780, 6746140, 8769982, 17539964, 21924955, 43849910, 87699820]

約数ペア:

[(1, 87699820), (2, 43849910), (4, 21924955), (5, 17539964), (10, 8769982), (13, 6746140), (19, 4615780), (20, 4384991), (26, 3373070), (38, 2307890), (41, 2139020), (52, 1686535), (65, 1349228), (76, 1153945), (82, 1069510), (95, 923156), (130, 674614), (164, 534755), (190, 461578), (205, 427804), (247, 355060), (260, 337307), (380, 230789), (410, 213902), (433, 202540), (494, 177530), (533, 164540), (779, 112580), (820, 106951), (866, 101270), (988, 88765), (1066, 82270), (1235, 71012), (1558, 56290), (1732, 50635), (2132, 41135), (2165, 40508), (2470, 35506), (2665, 32908), (3116, 28145), (3895, 22516), (4330, 20254), (4940, 17753), (5330, 16454), (5629, 15580), (7790, 11258), (8227, 10660), (8660, 10127)]