129495890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{145501}}^1$

素因数の和:145597

約数の個数: 16

約数和(自身を含む): 235713240

約数和(自身を除く): 106217350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 145501, 291002, 727505, 1455010, 12949589, 25899178, 64747945, 129495890]

約数ペア:

[(1, 129495890), (2, 64747945), (5, 25899178), (10, 12949589), (89, 1455010), (178, 727505), (445, 291002), (890, 145501)]