1326201280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{243787}}^1$

素因数の和:243821

約数の個数: 56

約数和(自身を含む): 3343796208

約数和(自身を除く): 2017594928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 243787, 487574, 975148, 1218935, 1950296, 2437870, 3900592, 4144379, 4875740, 7801184, 8288758, 9751480, 15602368, 16577516, 19502960, 20721895, 33155032, 39005920, 41443790, 66310064, 78011840, 82887580, 132620128, 165775160, 265240256, 331550320, 663100640, 1326201280]

約数ペア:

[(1, 1326201280), (2, 663100640), (4, 331550320), (5, 265240256), (8, 165775160), (10, 132620128), (16, 82887580), (17, 78011840), (20, 66310064), (32, 41443790), (34, 39005920), (40, 33155032), (64, 20721895), (68, 19502960), (80, 16577516), (85, 15602368), (136, 9751480), (160, 8288758), (170, 7801184), (272, 4875740), (320, 4144379), (340, 3900592), (544, 2437870), (680, 1950296), (1088, 1218935), (1360, 975148), (2720, 487574), (5440, 243787)]