16040915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 22161600

約数和(自身を除く): 6120685

約数列:

[1, 5, 11, 29, 55, 89, 113, 145, 319, 445, 565, 979, 1243, 1595, 2581, 3277, 4895, 6215, 10057, 12905, 16385, 28391, 36047, 50285, 110627, 141955, 180235, 291653, 553135, 1458265, 3208183, 16040915]

約数ペア:

[(1, 16040915), (5, 3208183), (11, 1458265), (29, 553135), (55, 291653), (89, 180235), (113, 141955), (145, 110627), (319, 50285), (445, 36047), (565, 28391), (979, 16385), (1243, 12905), (1595, 10057), (2581, 6215), (3277, 4895)]