99650000

素因数分解:

$2^4\times 5^5\times {\mathrm{1993}}^1$

素因数の和:2026

約数の個数: 60

約数和(自身を含む): 241445484

約数和(自身を除く): 141795484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1993, 2000, 2500, 3125, 3986, 5000, 6250, 7972, 9965, 10000, 12500, 15944, 19930, 25000, 31888, 39860, 49825, 50000, 79720, 99650, 159440, 199300, 249125, 398600, 498250, 797200, 996500, 1245625, 1993000, 2491250, 3986000, 4982500, 6228125, 9965000, 12456250, 19930000, 24912500, 49825000, 99650000]

約数ペア:

[(1, 99650000), (2, 49825000), (4, 24912500), (5, 19930000), (8, 12456250), (10, 9965000), (16, 6228125), (20, 4982500), (25, 3986000), (40, 2491250), (50, 1993000), (80, 1245625), (100, 996500), (125, 797200), (200, 498250), (250, 398600), (400, 249125), (500, 199300), (625, 159440), (1000, 99650), (1250, 79720), (1993, 50000), (2000, 49825), (2500, 39860), (3125, 31888), (3986, 25000), (5000, 19930), (6250, 15944), (7972, 12500), (9965, 10000)]