158000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1$

素因数の和:102

約数の個数: 40

約数和(自身を含む): 386880

約数和(自身を除く): 228880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 316, 395, 400, 500, 632, 790, 1000, 1264, 1580, 1975, 2000, 3160, 3950, 6320, 7900, 9875, 15800, 19750, 31600, 39500, 79000, 158000]

約数ペア:

[(1, 158000), (2, 79000), (4, 39500), (5, 31600), (8, 19750), (10, 15800), (16, 9875), (20, 7900), (25, 6320), (40, 3950), (50, 3160), (79, 2000), (80, 1975), (100, 1580), (125, 1264), (158, 1000), (200, 790), (250, 632), (316, 500), (395, 400)]