42880760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82463}}^1$

素因数の和:82487

約数の個数: 32

約数和(自身を含む): 103904640

約数和(自身を除く): 61023880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 82463, 164926, 329852, 412315, 659704, 824630, 1072019, 1649260, 2144038, 3298520, 4288076, 5360095, 8576152, 10720190, 21440380, 42880760]

約数ペア:

[(1, 42880760), (2, 21440380), (4, 10720190), (5, 8576152), (8, 5360095), (10, 4288076), (13, 3298520), (20, 2144038), (26, 1649260), (40, 1072019), (52, 824630), (65, 659704), (104, 412315), (130, 329852), (260, 164926), (520, 82463)]