28702700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22079}}^1$

素因数の和:22106

約数の個数: 36

約数和(自身を含む): 67079040

約数和(自身を除く): 38376340

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 22079, 44158, 88316, 110395, 220790, 287027, 441580, 551975, 574054, 1103950, 1148108, 1435135, 2207900, 2870270, 5740540, 7175675, 14351350, 28702700]

約数ペア:

[(1, 28702700), (2, 14351350), (4, 7175675), (5, 5740540), (10, 2870270), (13, 2207900), (20, 1435135), (25, 1148108), (26, 1103950), (50, 574054), (52, 551975), (65, 441580), (100, 287027), (130, 220790), (260, 110395), (325, 88316), (650, 44158), (1300, 22079)]