80446340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1117}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 182752752

約数和(自身を除く): 102306412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 1108, 1117, 1385, 2234, 2770, 3601, 4468, 5540, 5585, 7202, 11170, 14404, 14521, 18005, 22340, 29042, 36010, 58084, 72020, 72605, 145210, 290420, 309409, 618818, 1237636, 1547045, 3094090, 4022317, 6188180, 8044634, 16089268, 20111585, 40223170, 80446340]

約数ペア:

[(1, 80446340), (2, 40223170), (4, 20111585), (5, 16089268), (10, 8044634), (13, 6188180), (20, 4022317), (26, 3094090), (52, 1547045), (65, 1237636), (130, 618818), (260, 309409), (277, 290420), (554, 145210), (1108, 72605), (1117, 72020), (1385, 58084), (2234, 36010), (2770, 29042), (3601, 22340), (4468, 18005), (5540, 14521), (5585, 14404), (7202, 11170)]