84880640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5101}}^1$

素因数の和:5135

約数の個数: 72

約数和(自身を含む): 218998248

約数和(自身を除く): 134117608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 5101, 8320, 10202, 16640, 20404, 25505, 40808, 51010, 66313, 81616, 102020, 132626, 163232, 204040, 265252, 326464, 331565, 408080, 530504, 652928, 663130, 816160, 1061008, 1305856, 1326260, 1632320, 2122016, 2652520, 3264640, 4244032, 5305040, 6529280, 8488064, 10610080, 16976128, 21220160, 42440320, 84880640]

約数ペア:

[(1, 84880640), (2, 42440320), (4, 21220160), (5, 16976128), (8, 10610080), (10, 8488064), (13, 6529280), (16, 5305040), (20, 4244032), (26, 3264640), (32, 2652520), (40, 2122016), (52, 1632320), (64, 1326260), (65, 1305856), (80, 1061008), (104, 816160), (128, 663130), (130, 652928), (160, 530504), (208, 408080), (256, 331565), (260, 326464), (320, 265252), (416, 204040), (520, 163232), (640, 132626), (832, 102020), (1040, 81616), (1280, 66313), (1664, 51010), (2080, 40808), (3328, 25505), (4160, 20404), (5101, 16640), (8320, 10202)]