25185940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 57414672

約数和(自身を除く): 32228732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 617, 628, 785, 1234, 1570, 2041, 2468, 3085, 3140, 4082, 6170, 8021, 8164, 10205, 12340, 16042, 20410, 32084, 40105, 40820, 80210, 96869, 160420, 193738, 387476, 484345, 968690, 1259297, 1937380, 2518594, 5037188, 6296485, 12592970, 25185940]

約数ペア:

[(1, 25185940), (2, 12592970), (4, 6296485), (5, 5037188), (10, 2518594), (13, 1937380), (20, 1259297), (26, 968690), (52, 484345), (65, 387476), (130, 193738), (157, 160420), (260, 96869), (314, 80210), (617, 40820), (628, 40105), (785, 32084), (1234, 20410), (1570, 16042), (2041, 12340), (2468, 10205), (3085, 8164), (3140, 8021), (4082, 6170)]