25391990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5279}}^1$

素因数の和:5336

約数の個数: 32

約数和(自身を含む): 50561280

約数和(自身を除く): 25169290

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 5279, 10558, 26395, 52790, 68627, 137254, 195323, 343135, 390646, 686270, 976615, 1953230, 2539199, 5078398, 12695995, 25391990]

約数ペア:

[(1, 25391990), (2, 12695995), (5, 5078398), (10, 2539199), (13, 1953230), (26, 976615), (37, 686270), (65, 390646), (74, 343135), (130, 195323), (185, 137254), (370, 68627), (481, 52790), (962, 26395), (2405, 10558), (4810, 5279)]