80777942780

素因数分解:

$2^2\times 5^1\times {\mathrm{30971}}^1\times {\mathrm{130409}}^1$

素因数の和:161389

約数の個数: 24

約数和(自身を含む): 169640457840

約数和(自身を除く): 88862515060

約数列:

[1, 2, 4, 5, 10, 20, 30971, 61942, 123884, 130409, 154855, 260818, 309710, 521636, 619420, 652045, 1304090, 2608180, 4038897139, 8077794278, 16155588556, 20194485695, 40388971390, 80777942780]

約数ペア:

[(1, 80777942780), (2, 40388971390), (4, 20194485695), (5, 16155588556), (10, 8077794278), (20, 4038897139), (30971, 2608180), (61942, 1304090), (123884, 652045), (130409, 619420), (154855, 521636), (260818, 309710)]