65447720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2927}}^1$

素因数の和:2994

約数の個数: 64

約数和(自身を含む): 162328320

約数和(自身を除く): 96880600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 2927, 4472, 5590, 5854, 11180, 11708, 14635, 22360, 23416, 29270, 38051, 58540, 76102, 117080, 125861, 152204, 190255, 251722, 304408, 380510, 503444, 629305, 761020, 1006888, 1258610, 1522040, 1636193, 2517220, 3272386, 5034440, 6544772, 8180965, 13089544, 16361930, 32723860, 65447720]

約数ペア:

[(1, 65447720), (2, 32723860), (4, 16361930), (5, 13089544), (8, 8180965), (10, 6544772), (13, 5034440), (20, 3272386), (26, 2517220), (40, 1636193), (43, 1522040), (52, 1258610), (65, 1006888), (86, 761020), (104, 629305), (130, 503444), (172, 380510), (215, 304408), (260, 251722), (344, 190255), (430, 152204), (520, 125861), (559, 117080), (860, 76102), (1118, 58540), (1720, 38051), (2236, 29270), (2795, 23416), (2927, 22360), (4472, 14635), (5590, 11708), (5854, 11180)]