2123238920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{20023}}^1$

素因数の和:20286

約数の個数: 64

約数和(自身を含む): 5233472640

約数和(自身を除く): 3110233720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 241, 440, 482, 964, 1205, 1928, 2410, 2651, 4820, 5302, 9640, 10604, 13255, 20023, 21208, 26510, 40046, 53020, 80092, 100115, 106040, 160184, 200230, 220253, 400460, 440506, 800920, 881012, 1101265, 1762024, 2202530, 4405060, 4825543, 8810120, 9651086, 19302172, 24127715, 38604344, 48255430, 53080973, 96510860, 106161946, 193021720, 212323892, 265404865, 424647784, 530809730, 1061619460, 2123238920]

約数ペア:

[(1, 2123238920), (2, 1061619460), (4, 530809730), (5, 424647784), (8, 265404865), (10, 212323892), (11, 193021720), (20, 106161946), (22, 96510860), (40, 53080973), (44, 48255430), (55, 38604344), (88, 24127715), (110, 19302172), (220, 9651086), (241, 8810120), (440, 4825543), (482, 4405060), (964, 2202530), (1205, 1762024), (1928, 1101265), (2410, 881012), (2651, 800920), (4820, 440506), (5302, 400460), (9640, 220253), (10604, 200230), (13255, 160184), (20023, 106040), (21208, 100115), (26510, 80092), (40046, 53020)]