89417120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42989}}^1$

素因数の和:43017

約数の個数: 48

約数和(自身を含む): 227503080

約数和(自身を除く): 138085960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 42989, 85978, 171956, 214945, 343912, 429890, 558857, 687824, 859780, 1117714, 1375648, 1719560, 2235428, 2794285, 3439120, 4470856, 5588570, 6878240, 8941712, 11177140, 17883424, 22354280, 44708560, 89417120]

約数ペア:

[(1, 89417120), (2, 44708560), (4, 22354280), (5, 17883424), (8, 11177140), (10, 8941712), (13, 6878240), (16, 5588570), (20, 4470856), (26, 3439120), (32, 2794285), (40, 2235428), (52, 1719560), (65, 1375648), (80, 1117714), (104, 859780), (130, 687824), (160, 558857), (208, 429890), (260, 343912), (416, 214945), (520, 171956), (1040, 85978), (2080, 42989)]