86532920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 199584000

約数和(自身を除く): 113051080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 109, 178, 218, 223, 356, 436, 445, 446, 545, 712, 872, 890, 892, 1090, 1115, 1780, 1784, 2180, 2230, 3560, 4360, 4460, 8920, 9701, 19402, 19847, 24307, 38804, 39694, 48505, 48614, 77608, 79388, 97010, 97228, 99235, 121535, 158776, 194020, 194456, 198470, 243070, 388040, 396940, 486140, 793880, 972280, 2163323, 4326646, 8653292, 10816615, 17306584, 21633230, 43266460, 86532920]

約数ペア:

[(1, 86532920), (2, 43266460), (4, 21633230), (5, 17306584), (8, 10816615), (10, 8653292), (20, 4326646), (40, 2163323), (89, 972280), (109, 793880), (178, 486140), (218, 396940), (223, 388040), (356, 243070), (436, 198470), (445, 194456), (446, 194020), (545, 158776), (712, 121535), (872, 99235), (890, 97228), (892, 97010), (1090, 79388), (1115, 77608), (1780, 48614), (1784, 48505), (2180, 39694), (2230, 38804), (3560, 24307), (4360, 19847), (4460, 19402), (8920, 9701)]