80455960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154723}}^1$

素因数の和:154747

約数の個数: 32

約数和(自身を含む): 194952240

約数和(自身を除く): 114496280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154723, 309446, 618892, 773615, 1237784, 1547230, 2011399, 3094460, 4022798, 6188920, 8045596, 10056995, 16091192, 20113990, 40227980, 80455960]

約数ペア:

[(1, 80455960), (2, 40227980), (4, 20113990), (5, 16091192), (8, 10056995), (10, 8045596), (13, 6188920), (20, 4022798), (26, 3094460), (40, 2011399), (52, 1547230), (65, 1237784), (104, 773615), (130, 618892), (260, 309446), (520, 154723)]