201993281960

素因数分解:

$2^3\times 5^1\times {\mathrm{230281}}^1\times {\mathrm{21929}}^1$

素因数の和:252221

約数の個数: 32

約数和(自身を含む): 454507583400

約数和(自身を除く): 252514301440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21929, 43858, 87716, 109645, 175432, 219290, 230281, 438580, 460562, 877160, 921124, 1151405, 1842248, 2302810, 4605620, 9211240, 5049832049, 10099664098, 20199328196, 25249160245, 40398656392, 50498320490, 100996640980, 201993281960]

約数ペア:

[(1, 201993281960), (2, 100996640980), (4, 50498320490), (5, 40398656392), (8, 25249160245), (10, 20199328196), (20, 10099664098), (40, 5049832049), (21929, 9211240), (43858, 4605620), (87716, 2302810), (109645, 1842248), (175432, 1151405), (219290, 921124), (230281, 877160), (438580, 460562)]