28976960

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1191

約数の個数: 56

約数和(自身を含む): 69896736

約数和(自身を除く): 40919776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1091, 1328, 1660, 2182, 2656, 3320, 4364, 5312, 5455, 6640, 8728, 10910, 13280, 17456, 21820, 26560, 34912, 43640, 69824, 87280, 90553, 174560, 181106, 349120, 362212, 452765, 724424, 905530, 1448848, 1811060, 2897696, 3622120, 5795392, 7244240, 14488480, 28976960]

約数ペア:

[(1, 28976960), (2, 14488480), (4, 7244240), (5, 5795392), (8, 3622120), (10, 2897696), (16, 1811060), (20, 1448848), (32, 905530), (40, 724424), (64, 452765), (80, 362212), (83, 349120), (160, 181106), (166, 174560), (320, 90553), (332, 87280), (415, 69824), (664, 43640), (830, 34912), (1091, 26560), (1328, 21820), (1660, 17456), (2182, 13280), (2656, 10910), (3320, 8728), (4364, 6640), (5312, 5455)]