8978631400

素因数分解:

$2^3\times 5^2\times {\mathrm{397}}^1\times {\mathrm{113081}}^1$

素因数の和:113494

約数の個数: 48

約数和(自身を含む): 20928085740

約数和(自身を除く): 11949454340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 397, 794, 1588, 1985, 3176, 3970, 7940, 9925, 15880, 19850, 39700, 79400, 113081, 226162, 452324, 565405, 904648, 1130810, 2261620, 2827025, 4523240, 5654050, 11308100, 22616200, 44893157, 89786314, 179572628, 224465785, 359145256, 448931570, 897863140, 1122328925, 1795726280, 2244657850, 4489315700, 8978631400]

約数ペア:

[(1, 8978631400), (2, 4489315700), (4, 2244657850), (5, 1795726280), (8, 1122328925), (10, 897863140), (20, 448931570), (25, 359145256), (40, 224465785), (50, 179572628), (100, 89786314), (200, 44893157), (397, 22616200), (794, 11308100), (1588, 5654050), (1985, 4523240), (3176, 2827025), (3970, 2261620), (7940, 1130810), (9925, 904648), (15880, 565405), (19850, 452324), (39700, 226162), (79400, 113081)]