804938706640

素因数分解:

$2^4\times 5^1\times {\mathrm{129443}}^1\times {\mathrm{77731}}^1$

素因数の和:207187

約数の個数: 40

約数和(自身を含む): 1871521027488

約数和(自身を除く): 1066582320848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 77731, 129443, 155462, 258886, 310924, 388655, 517772, 621848, 647215, 777310, 1035544, 1243696, 1294430, 1554620, 2071088, 2588860, 3109240, 5177720, 6218480, 10355440, 10061733833, 20123467666, 40246935332, 50308669165, 80493870664, 100617338330, 160987741328, 201234676660, 402469353320, 804938706640]

約数ペア:

[(1, 804938706640), (2, 402469353320), (4, 201234676660), (5, 160987741328), (8, 100617338330), (10, 80493870664), (16, 50308669165), (20, 40246935332), (40, 20123467666), (80, 10061733833), (77731, 10355440), (129443, 6218480), (155462, 5177720), (258886, 3109240), (310924, 2588860), (388655, 2071088), (517772, 1554620), (621848, 1294430), (647215, 1243696), (777310, 1035544)]