20132321840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1\times {\mathrm{6607}}^1$

素因数の和:7590

約数の個数: 80

約数和(自身を含む): 48008177280

約数和(自身を除く): 27875855440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 929, 1640, 1858, 3280, 3716, 4645, 6607, 7432, 9290, 13214, 14864, 18580, 26428, 33035, 37160, 38089, 52856, 66070, 74320, 76178, 105712, 132140, 152356, 190445, 264280, 270887, 304712, 380890, 528560, 541774, 609424, 761780, 1083548, 1354435, 1523560, 2167096, 2708870, 3047120, 4334192, 5417740, 6137903, 10835480, 12275806, 21670960, 24551612, 30689515, 49103224, 61379030, 98206448, 122758060, 245516120, 251654023, 491032240, 503308046, 1006616092, 1258270115, 2013232184, 2516540230, 4026464368, 5033080460, 10066160920, 20132321840]

約数ペア:

[(1, 20132321840), (2, 10066160920), (4, 5033080460), (5, 4026464368), (8, 2516540230), (10, 2013232184), (16, 1258270115), (20, 1006616092), (40, 503308046), (41, 491032240), (80, 251654023), (82, 245516120), (164, 122758060), (205, 98206448), (328, 61379030), (410, 49103224), (656, 30689515), (820, 24551612), (929, 21670960), (1640, 12275806), (1858, 10835480), (3280, 6137903), (3716, 5417740), (4645, 4334192), (6607, 3047120), (7432, 2708870), (9290, 2167096), (13214, 1523560), (14864, 1354435), (18580, 1083548), (26428, 761780), (33035, 609424), (37160, 541774), (38089, 528560), (52856, 380890), (66070, 304712), (74320, 270887), (76178, 264280), (105712, 190445), (132140, 152356)]