170728943620

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{20871509}}^1$

素因数の和:20871927

約数の個数: 24

約数和(自身を含む): 359407402200

約数和(自身を除く): 188678458580

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 20871509, 41743018, 83486036, 104357545, 208715090, 417430180, 8536447181, 17072894362, 34145788724, 42682235905, 85364471810, 170728943620]

約数ペア:

[(1, 170728943620), (2, 85364471810), (4, 42682235905), (5, 34145788724), (10, 17072894362), (20, 8536447181), (409, 417430180), (818, 208715090), (1636, 104357545), (2045, 83486036), (4090, 41743018), (8180, 20871509)]