87528564520

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{659}}^1\times {\mathrm{15737}}^1$

素因数の和:16618

約数の個数: 64

約数和(自身を含む): 198185486400

約数和(自身を除く): 110656921880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 659, 844, 1055, 1318, 1688, 2110, 2636, 3295, 4220, 5272, 6590, 8440, 13180, 15737, 26360, 31474, 62948, 78685, 125896, 139049, 157370, 278098, 314740, 556196, 629480, 695245, 1112392, 1390490, 2780980, 3320507, 5561960, 6641014, 10370683, 13282028, 16602535, 20741366, 26564056, 33205070, 41482732, 51853415, 66410140, 82965464, 103706830, 132820280, 207413660, 414827320, 2188214113, 4376428226, 8752856452, 10941070565, 17505712904, 21882141130, 43764282260, 87528564520]

約数ペア:

[(1, 87528564520), (2, 43764282260), (4, 21882141130), (5, 17505712904), (8, 10941070565), (10, 8752856452), (20, 4376428226), (40, 2188214113), (211, 414827320), (422, 207413660), (659, 132820280), (844, 103706830), (1055, 82965464), (1318, 66410140), (1688, 51853415), (2110, 41482732), (2636, 33205070), (3295, 26564056), (4220, 20741366), (5272, 16602535), (6590, 13282028), (8440, 10370683), (13180, 6641014), (15737, 5561960), (26360, 3320507), (31474, 2780980), (62948, 1390490), (78685, 1112392), (125896, 695245), (139049, 629480), (157370, 556196), (278098, 314740)]