8170520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 19595520

約数和(自身を除く): 11425000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 107, 115, 166, 184, 214, 230, 332, 415, 428, 460, 535, 664, 830, 856, 920, 1070, 1660, 1909, 2140, 2461, 3320, 3818, 4280, 4922, 7636, 8881, 9545, 9844, 12305, 15272, 17762, 19090, 19688, 24610, 35524, 38180, 44405, 49220, 71048, 76360, 88810, 98440, 177620, 204263, 355240, 408526, 817052, 1021315, 1634104, 2042630, 4085260, 8170520]

約数ペア:

[(1, 8170520), (2, 4085260), (4, 2042630), (5, 1634104), (8, 1021315), (10, 817052), (20, 408526), (23, 355240), (40, 204263), (46, 177620), (83, 98440), (92, 88810), (107, 76360), (115, 71048), (166, 49220), (184, 44405), (214, 38180), (230, 35524), (332, 24610), (415, 19688), (428, 19090), (460, 17762), (535, 15272), (664, 12305), (830, 9844), (856, 9545), (920, 8881), (1070, 7636), (1660, 4922), (1909, 4280), (2140, 3818), (2461, 3320)]