38811890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8069}}^1$

素因数の和:8126

約数の個数: 32

約数和(自身を含む): 77278320

約数和(自身を除く): 38466430

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 8069, 16138, 40345, 80690, 104897, 209794, 298553, 524485, 597106, 1048970, 1492765, 2985530, 3881189, 7762378, 19405945, 38811890]

約数ペア:

[(1, 38811890), (2, 19405945), (5, 7762378), (10, 3881189), (13, 2985530), (26, 1492765), (37, 1048970), (65, 597106), (74, 524485), (130, 298553), (185, 209794), (370, 104897), (481, 80690), (962, 40345), (2405, 16138), (4810, 8069)]