25456340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 41603884

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 71, 91, 130, 140, 142, 182, 197, 260, 284, 355, 364, 394, 455, 497, 710, 788, 910, 923, 985, 994, 1379, 1420, 1820, 1846, 1970, 1988, 2485, 2561, 2758, 3692, 3940, 4615, 4970, 5122, 5516, 6461, 6895, 9230, 9940, 10244, 12805, 12922, 13790, 13987, 17927, 18460, 25610, 25844, 27580, 27974, 32305, 35854, 51220, 55948, 64610, 69935, 71708, 89635, 97909, 129220, 139870, 179270, 181831, 195818, 279740, 358540, 363662, 391636, 489545, 727324, 909155, 979090, 1272817, 1818310, 1958180, 2545634, 3636620, 5091268, 6364085, 12728170, 25456340]

約数ペア:

[(1, 25456340), (2, 12728170), (4, 6364085), (5, 5091268), (7, 3636620), (10, 2545634), (13, 1958180), (14, 1818310), (20, 1272817), (26, 979090), (28, 909155), (35, 727324), (52, 489545), (65, 391636), (70, 363662), (71, 358540), (91, 279740), (130, 195818), (140, 181831), (142, 179270), (182, 139870), (197, 129220), (260, 97909), (284, 89635), (355, 71708), (364, 69935), (394, 64610), (455, 55948), (497, 51220), (710, 35854), (788, 32305), (910, 27974), (923, 27580), (985, 25844), (994, 25610), (1379, 18460), (1420, 17927), (1820, 13987), (1846, 13790), (1970, 12922), (1988, 12805), (2485, 10244), (2561, 9940), (2758, 9230), (3692, 6895), (3940, 6461), (4615, 5516), (4970, 5122)]