40986040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 97920000

約数和(自身を除く): 56933960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 271, 380, 398, 542, 760, 796, 995, 1084, 1355, 1592, 1990, 2168, 2710, 3781, 3980, 5149, 5420, 7562, 7960, 10298, 10840, 15124, 18905, 20596, 25745, 30248, 37810, 41192, 51490, 53929, 75620, 102980, 107858, 151240, 205960, 215716, 269645, 431432, 539290, 1024651, 1078580, 2049302, 2157160, 4098604, 5123255, 8197208, 10246510, 20493020, 40986040]

約数ペア:

[(1, 40986040), (2, 20493020), (4, 10246510), (5, 8197208), (8, 5123255), (10, 4098604), (19, 2157160), (20, 2049302), (38, 1078580), (40, 1024651), (76, 539290), (95, 431432), (152, 269645), (190, 215716), (199, 205960), (271, 151240), (380, 107858), (398, 102980), (542, 75620), (760, 53929), (796, 51490), (995, 41192), (1084, 37810), (1355, 30248), (1592, 25745), (1990, 20596), (2168, 18905), (2710, 15124), (3781, 10840), (3980, 10298), (5149, 7960), (5420, 7562)]