2016180440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{13331}}^1$

素因数の和:13560

約数の個数: 64

約数和(自身を含む): 4799520000

約数和(自身を除く): 2783339560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 380, 398, 760, 796, 995, 1592, 1990, 3781, 3980, 7562, 7960, 13331, 15124, 18905, 26662, 30248, 37810, 53324, 66655, 75620, 106648, 133310, 151240, 253289, 266620, 506578, 533240, 1013156, 1266445, 2026312, 2532890, 2652869, 5065780, 5305738, 10131560, 10611476, 13264345, 21222952, 26528690, 50404511, 53057380, 100809022, 106114760, 201618044, 252022555, 403236088, 504045110, 1008090220, 2016180440]

約数ペア:

[(1, 2016180440), (2, 1008090220), (4, 504045110), (5, 403236088), (8, 252022555), (10, 201618044), (19, 106114760), (20, 100809022), (38, 53057380), (40, 50404511), (76, 26528690), (95, 21222952), (152, 13264345), (190, 10611476), (199, 10131560), (380, 5305738), (398, 5065780), (760, 2652869), (796, 2532890), (995, 2026312), (1592, 1266445), (1990, 1013156), (3781, 533240), (3980, 506578), (7562, 266620), (7960, 253289), (13331, 151240), (15124, 133310), (18905, 106648), (26662, 75620), (30248, 66655), (37810, 53324)]