80763980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4423}}^1$

素因数の和:4526

約数の個数: 48

約数和(自身を含む): 187294464

約数和(自身を除く): 106530484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4423, 4565, 8846, 9130, 17692, 18260, 22115, 44230, 48653, 88460, 97306, 194612, 243265, 367109, 486530, 734218, 973060, 1468436, 1835545, 3671090, 4038199, 7342180, 8076398, 16152796, 20190995, 40381990, 80763980]

約数ペア:

[(1, 80763980), (2, 40381990), (4, 20190995), (5, 16152796), (10, 8076398), (11, 7342180), (20, 4038199), (22, 3671090), (44, 1835545), (55, 1468436), (83, 973060), (110, 734218), (166, 486530), (220, 367109), (332, 243265), (415, 194612), (830, 97306), (913, 88460), (1660, 48653), (1826, 44230), (3652, 22115), (4423, 18260), (4565, 17692), (8846, 9130)]