40138280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11027}}^1$

素因数の和:11058

約数の個数: 64

約数和(自身を含む): 111162240

約数和(自身を除く): 71023960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 11027, 22054, 44108, 55135, 77189, 88216, 110270, 143351, 154378, 220540, 286702, 308756, 385945, 441080, 573404, 617512, 716755, 771890, 1003457, 1146808, 1433510, 1543780, 2006914, 2867020, 3087560, 4013828, 5017285, 5734040, 8027656, 10034570, 20069140, 40138280]

約数ペア:

[(1, 40138280), (2, 20069140), (4, 10034570), (5, 8027656), (7, 5734040), (8, 5017285), (10, 4013828), (13, 3087560), (14, 2867020), (20, 2006914), (26, 1543780), (28, 1433510), (35, 1146808), (40, 1003457), (52, 771890), (56, 716755), (65, 617512), (70, 573404), (91, 441080), (104, 385945), (130, 308756), (140, 286702), (182, 220540), (260, 154378), (280, 143351), (364, 110270), (455, 88216), (520, 77189), (728, 55135), (910, 44108), (1820, 22054), (3640, 11027)]