8668520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 22619520

約数和(自身を除く): 13951000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 373, 415, 581, 664, 746, 830, 1162, 1492, 1660, 1865, 2324, 2611, 2905, 2984, 3320, 3730, 4648, 5222, 5810, 7460, 10444, 11620, 13055, 14920, 20888, 23240, 26110, 30959, 52220, 61918, 104440, 123836, 154795, 216713, 247672, 309590, 433426, 619180, 866852, 1083565, 1238360, 1733704, 2167130, 4334260, 8668520]

約数ペア:

[(1, 8668520), (2, 4334260), (4, 2167130), (5, 1733704), (7, 1238360), (8, 1083565), (10, 866852), (14, 619180), (20, 433426), (28, 309590), (35, 247672), (40, 216713), (56, 154795), (70, 123836), (83, 104440), (140, 61918), (166, 52220), (280, 30959), (332, 26110), (373, 23240), (415, 20888), (581, 14920), (664, 13055), (746, 11620), (830, 10444), (1162, 7460), (1492, 5810), (1660, 5222), (1865, 4648), (2324, 3730), (2611, 3320), (2905, 2984)]