254360080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1867}}^1$

素因数の和:2024

約数の個数: 80

約数和(自身を含む): 642083904

約数和(自身を除く): 387723824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 520, 524, 655, 1040, 1048, 1310, 1703, 1867, 2096, 2620, 3406, 3734, 5240, 6812, 7468, 8515, 9335, 10480, 13624, 14936, 17030, 18670, 24271, 27248, 29872, 34060, 37340, 48542, 68120, 74680, 97084, 121355, 136240, 149360, 194168, 242710, 244577, 388336, 485420, 489154, 970840, 978308, 1222885, 1941680, 1956616, 2445770, 3179501, 3913232, 4891540, 6359002, 9783080, 12718004, 15897505, 19566160, 25436008, 31795010, 50872016, 63590020, 127180040, 254360080]

約数ペア:

[(1, 254360080), (2, 127180040), (4, 63590020), (5, 50872016), (8, 31795010), (10, 25436008), (13, 19566160), (16, 15897505), (20, 12718004), (26, 9783080), (40, 6359002), (52, 4891540), (65, 3913232), (80, 3179501), (104, 2445770), (130, 1956616), (131, 1941680), (208, 1222885), (260, 978308), (262, 970840), (520, 489154), (524, 485420), (655, 388336), (1040, 244577), (1048, 242710), (1310, 194168), (1703, 149360), (1867, 136240), (2096, 121355), (2620, 97084), (3406, 74680), (3734, 68120), (5240, 48542), (6812, 37340), (7468, 34060), (8515, 29872), (9335, 27248), (10480, 24271), (13624, 18670), (14936, 17030)]