20170070

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 37208160

約数和(自身を除く): 17038090

約数列:

[1, 2, 5, 10, 89, 131, 173, 178, 262, 346, 445, 655, 865, 890, 1310, 1730, 11659, 15397, 22663, 23318, 30794, 45326, 58295, 76985, 113315, 116590, 153970, 226630, 2017007, 4034014, 10085035, 20170070]

約数ペア:

[(1, 20170070), (2, 10085035), (5, 4034014), (10, 2017007), (89, 226630), (131, 153970), (173, 116590), (178, 113315), (262, 76985), (346, 58295), (445, 45326), (655, 30794), (865, 23318), (890, 22663), (1310, 15397), (1730, 11659)]