25391210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1129}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 49548240

約数和(自身を除く): 24157030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1129, 1730, 2249, 2258, 4498, 5645, 11245, 11290, 14677, 22490, 29354, 73385, 146770, 195317, 390634, 976585, 1953170, 2539121, 5078242, 12695605, 25391210]

約数ペア:

[(1, 25391210), (2, 12695605), (5, 5078242), (10, 2539121), (13, 1953170), (26, 976585), (65, 390634), (130, 195317), (173, 146770), (346, 73385), (865, 29354), (1129, 22490), (1730, 14677), (2249, 11290), (2258, 11245), (4498, 5645)]