164460920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{316271}}^1$

素因数の和:316295

約数の個数: 32

約数和(自身を含む): 398502720

約数和(自身を除く): 234041800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 316271, 632542, 1265084, 1581355, 2530168, 3162710, 4111523, 6325420, 8223046, 12650840, 16446092, 20557615, 32892184, 41115230, 82230460, 164460920]

約数ペア:

[(1, 164460920), (2, 82230460), (4, 41115230), (5, 32892184), (8, 20557615), (10, 16446092), (13, 12650840), (20, 8223046), (26, 6325420), (40, 4111523), (52, 3162710), (65, 2530168), (104, 1581355), (130, 1265084), (260, 632542), (520, 316271)]