25574805880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{622561}}^1$

素因数の和:622664

約数の個数: 64

約数和(自身を含む): 62754249600

約数和(自身を除く): 37179443720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 4108, 5135, 8216, 10270, 20540, 41080, 622561, 1245122, 2490244, 3112805, 4980488, 6225610, 8093293, 12451220, 16186586, 24902440, 32373172, 40466465, 49182319, 64746344, 80932930, 98364638, 161865860, 196729276, 245911595, 323731720, 393458552, 491823190, 639370147, 983646380, 1278740294, 1967292760, 2557480588, 3196850735, 5114961176, 6393701470, 12787402940, 25574805880]

約数ペア:

[(1, 25574805880), (2, 12787402940), (4, 6393701470), (5, 5114961176), (8, 3196850735), (10, 2557480588), (13, 1967292760), (20, 1278740294), (26, 983646380), (40, 639370147), (52, 491823190), (65, 393458552), (79, 323731720), (104, 245911595), (130, 196729276), (158, 161865860), (260, 98364638), (316, 80932930), (395, 64746344), (520, 49182319), (632, 40466465), (790, 32373172), (1027, 24902440), (1580, 16186586), (2054, 12451220), (3160, 8093293), (4108, 6225610), (5135, 4980488), (8216, 3112805), (10270, 2490244), (20540, 1245122), (41080, 622561)]