1329923920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{16187}}^1$

素因数の和:16292

約数の個数: 80

約数和(自身を含む): 3372284160

約数和(自身を除く): 2042360240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 1027, 1040, 1264, 1580, 2054, 3160, 4108, 5135, 6320, 8216, 10270, 16187, 16432, 20540, 32374, 41080, 64748, 80935, 82160, 129496, 161870, 210431, 258992, 323740, 420862, 647480, 841724, 1052155, 1278773, 1294960, 1683448, 2104310, 2557546, 3366896, 4208620, 5115092, 6393865, 8417240, 10230184, 12787730, 16624049, 16834480, 20460368, 25575460, 33248098, 51150920, 66496196, 83120245, 102301840, 132992392, 166240490, 265984784, 332480980, 664961960, 1329923920]

約数ペア:

[(1, 1329923920), (2, 664961960), (4, 332480980), (5, 265984784), (8, 166240490), (10, 132992392), (13, 102301840), (16, 83120245), (20, 66496196), (26, 51150920), (40, 33248098), (52, 25575460), (65, 20460368), (79, 16834480), (80, 16624049), (104, 12787730), (130, 10230184), (158, 8417240), (208, 6393865), (260, 5115092), (316, 4208620), (395, 3366896), (520, 2557546), (632, 2104310), (790, 1683448), (1027, 1294960), (1040, 1278773), (1264, 1052155), (1580, 841724), (2054, 647480), (3160, 420862), (4108, 323740), (5135, 258992), (6320, 210431), (8216, 161870), (10270, 129496), (16187, 82160), (16432, 80935), (20540, 64748), (32374, 41080)]