11711960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 28788480

約数和(自身を除く): 17076520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 223, 260, 404, 446, 505, 520, 808, 892, 1010, 1115, 1313, 1784, 2020, 2230, 2626, 2899, 4040, 4460, 5252, 5798, 6565, 8920, 10504, 11596, 13130, 14495, 22523, 23192, 26260, 28990, 45046, 52520, 57980, 90092, 112615, 115960, 180184, 225230, 292799, 450460, 585598, 900920, 1171196, 1463995, 2342392, 2927990, 5855980, 11711960]

約数ペア:

[(1, 11711960), (2, 5855980), (4, 2927990), (5, 2342392), (8, 1463995), (10, 1171196), (13, 900920), (20, 585598), (26, 450460), (40, 292799), (52, 225230), (65, 180184), (101, 115960), (104, 112615), (130, 90092), (202, 57980), (223, 52520), (260, 45046), (404, 28990), (446, 26260), (505, 23192), (520, 22523), (808, 14495), (892, 13130), (1010, 11596), (1115, 10504), (1313, 8920), (1784, 6565), (2020, 5798), (2230, 5252), (2626, 4460), (2899, 4040)]