89384920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{54503}}^1$

素因数の和:54555

約数の個数: 32

約数和(自身を含む): 206025120

約数和(自身を除く): 116640200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 54503, 109006, 218012, 272515, 436024, 545030, 1090060, 2180120, 2234623, 4469246, 8938492, 11173115, 17876984, 22346230, 44692460, 89384920]

約数ペア:

[(1, 89384920), (2, 44692460), (4, 22346230), (5, 17876984), (8, 11173115), (10, 8938492), (20, 4469246), (40, 2234623), (41, 2180120), (82, 1090060), (164, 545030), (205, 436024), (328, 272515), (410, 218012), (820, 109006), (1640, 54503)]