2020459040

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1\times {\mathrm{431}}^1$

素因数の和:882

約数の個数: 96

約数和(自身を含む): 4855769856

約数和(自身を除く): 2835310816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 353, 415, 431, 664, 706, 830, 862, 1328, 1412, 1660, 1724, 1765, 2155, 2656, 2824, 3320, 3448, 3530, 4310, 5648, 6640, 6896, 7060, 8620, 11296, 13280, 13792, 14120, 17240, 28240, 29299, 34480, 35773, 56480, 58598, 68960, 71546, 117196, 143092, 146495, 152143, 178865, 234392, 286184, 292990, 304286, 357730, 468784, 572368, 585980, 608572, 715460, 760715, 937568, 1144736, 1171960, 1217144, 1430920, 1521430, 2343920, 2434288, 2861840, 3042860, 4687840, 4868576, 5723680, 6085720, 12171440, 12627869, 24342880, 25255738, 50511476, 63139345, 101022952, 126278690, 202045904, 252557380, 404091808, 505114760, 1010229520, 2020459040]

約数ペア:

[(1, 2020459040), (2, 1010229520), (4, 505114760), (5, 404091808), (8, 252557380), (10, 202045904), (16, 126278690), (20, 101022952), (32, 63139345), (40, 50511476), (80, 25255738), (83, 24342880), (160, 12627869), (166, 12171440), (332, 6085720), (353, 5723680), (415, 4868576), (431, 4687840), (664, 3042860), (706, 2861840), (830, 2434288), (862, 2343920), (1328, 1521430), (1412, 1430920), (1660, 1217144), (1724, 1171960), (1765, 1144736), (2155, 937568), (2656, 760715), (2824, 715460), (3320, 608572), (3448, 585980), (3530, 572368), (4310, 468784), (5648, 357730), (6640, 304286), (6896, 292990), (7060, 286184), (8620, 234392), (11296, 178865), (13280, 152143), (13792, 146495), (14120, 143092), (17240, 117196), (28240, 71546), (29299, 68960), (34480, 58598), (35773, 56480)]