66521270

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1823}}^1$

素因数の和:1960

約数の個数: 32

約数和(自身を含む): 124104960

約数和(自身を除く): 57583690

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 1823, 3646, 3649, 7298, 9115, 18230, 18245, 36490, 74743, 149486, 162247, 324494, 373715, 747430, 811235, 1622470, 6652127, 13304254, 33260635, 66521270]

約数ペア:

[(1, 66521270), (2, 33260635), (5, 13304254), (10, 6652127), (41, 1622470), (82, 811235), (89, 747430), (178, 373715), (205, 324494), (410, 162247), (445, 149486), (890, 74743), (1823, 36490), (3646, 18245), (3649, 18230), (7298, 9115)]