80451020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7547}}^1$

素因数の和:7610

約数の個数: 48

約数和(自身を含む): 186405408

約数和(自身を除く): 105954388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 7547, 10660, 15094, 30188, 37735, 75470, 98111, 150940, 196222, 309427, 392444, 490555, 618854, 981110, 1237708, 1547135, 1962220, 3094270, 4022551, 6188540, 8045102, 16090204, 20112755, 40225510, 80451020]

約数ペア:

[(1, 80451020), (2, 40225510), (4, 20112755), (5, 16090204), (10, 8045102), (13, 6188540), (20, 4022551), (26, 3094270), (41, 1962220), (52, 1547135), (65, 1237708), (82, 981110), (130, 618854), (164, 490555), (205, 392444), (260, 309427), (410, 196222), (533, 150940), (820, 98111), (1066, 75470), (2132, 37735), (2665, 30188), (5330, 15094), (7547, 10660)]