1649085880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{13159}}^1$

素因数の和:13424

約数の個数: 64

約数和(自身を含む): 4012747200

約数和(自身を除く): 2363661320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 241, 260, 482, 520, 964, 1205, 1928, 2410, 3133, 4820, 6266, 9640, 12532, 13159, 15665, 25064, 26318, 31330, 52636, 62660, 65795, 105272, 125320, 131590, 171067, 263180, 342134, 526360, 684268, 855335, 1368536, 1710670, 3171319, 3421340, 6342638, 6842680, 12685276, 15856595, 25370552, 31713190, 41227147, 63426380, 82454294, 126852760, 164908588, 206135735, 329817176, 412271470, 824542940, 1649085880]

約数ペア:

[(1, 1649085880), (2, 824542940), (4, 412271470), (5, 329817176), (8, 206135735), (10, 164908588), (13, 126852760), (20, 82454294), (26, 63426380), (40, 41227147), (52, 31713190), (65, 25370552), (104, 15856595), (130, 12685276), (241, 6842680), (260, 6342638), (482, 3421340), (520, 3171319), (964, 1710670), (1205, 1368536), (1928, 855335), (2410, 684268), (3133, 526360), (4820, 342134), (6266, 263180), (9640, 171067), (12532, 131590), (13159, 125320), (15665, 105272), (25064, 65795), (26318, 62660), (31330, 52636)]