79169260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 170311680

約数和(自身を除く): 91142420

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 439, 508, 635, 710, 878, 1270, 1420, 1756, 2195, 2540, 4390, 8780, 9017, 18034, 31169, 36068, 45085, 55753, 62338, 90170, 111506, 124676, 155845, 180340, 223012, 278765, 311690, 557530, 623380, 1115060, 3958463, 7916926, 15833852, 19792315, 39584630, 79169260]

約数ペア:

[(1, 79169260), (2, 39584630), (4, 19792315), (5, 15833852), (10, 7916926), (20, 3958463), (71, 1115060), (127, 623380), (142, 557530), (254, 311690), (284, 278765), (355, 223012), (439, 180340), (508, 155845), (635, 124676), (710, 111506), (878, 90170), (1270, 62338), (1420, 55753), (1756, 45085), (2195, 36068), (2540, 31169), (4390, 18034), (8780, 9017)]