157408040

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{14629}}^1$

素因数の和:14909

約数の個数: 32

約数和(自身を含む): 355509000

約数和(自身を除く): 198100960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 14629, 29258, 58516, 73145, 117032, 146290, 292580, 585160, 3935201, 7870402, 15740804, 19676005, 31481608, 39352010, 78704020, 157408040]

約数ペア:

[(1, 157408040), (2, 78704020), (4, 39352010), (5, 31481608), (8, 19676005), (10, 15740804), (20, 7870402), (40, 3935201), (269, 585160), (538, 292580), (1076, 146290), (1345, 117032), (2152, 73145), (2690, 58516), (5380, 29258), (10760, 14629)]