87195400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{10139}}^1$

素因数の和:10198

約数の個数: 48

約数和(自身を含む): 207464400

約数和(自身を除く): 120269000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 10139, 20278, 40556, 50695, 81112, 101390, 202780, 253475, 405560, 435977, 506950, 871954, 1013900, 1743908, 2027800, 2179885, 3487816, 4359770, 8719540, 10899425, 17439080, 21798850, 43597700, 87195400]

約数ペア:

[(1, 87195400), (2, 43597700), (4, 21798850), (5, 17439080), (8, 10899425), (10, 8719540), (20, 4359770), (25, 3487816), (40, 2179885), (43, 2027800), (50, 1743908), (86, 1013900), (100, 871954), (172, 506950), (200, 435977), (215, 405560), (344, 253475), (430, 202780), (860, 101390), (1075, 81112), (1720, 50695), (2150, 40556), (4300, 20278), (8600, 10139)]