81134600

素因数分解:

$2^3\times 5^2\times {\mathrm{509}}^1\times {\mathrm{797}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 189245700

約数和(自身を除く): 108111100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 509, 797, 1018, 1594, 2036, 2545, 3188, 3985, 4072, 5090, 6376, 7970, 10180, 12725, 15940, 19925, 20360, 25450, 31880, 39850, 50900, 79700, 101800, 159400, 405673, 811346, 1622692, 2028365, 3245384, 4056730, 8113460, 10141825, 16226920, 20283650, 40567300, 81134600]

約数ペア:

[(1, 81134600), (2, 40567300), (4, 20283650), (5, 16226920), (8, 10141825), (10, 8113460), (20, 4056730), (25, 3245384), (40, 2028365), (50, 1622692), (100, 811346), (200, 405673), (509, 159400), (797, 101800), (1018, 79700), (1594, 50900), (2036, 39850), (2545, 31880), (3188, 25450), (3985, 20360), (4072, 19925), (5090, 15940), (6376, 12725), (7970, 10180)]