84361880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15173}}^1$

素因数の和:15323

約数の個数: 32

約数和(自身を含む): 191192400

約数和(自身を除く): 106830520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 15173, 30346, 60692, 75865, 121384, 151730, 303460, 606920, 2109047, 4218094, 8436188, 10545235, 16872376, 21090470, 42180940, 84361880]

約数ペア:

[(1, 84361880), (2, 42180940), (4, 21090470), (5, 16872376), (8, 10545235), (10, 8436188), (20, 4218094), (40, 2109047), (139, 606920), (278, 303460), (556, 151730), (695, 121384), (1112, 75865), (1390, 60692), (2780, 30346), (5560, 15173)]