161350540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{620579}}^1$

素因数の和:620601

約数の個数: 24

約数和(自身を含む): 364901040

約数和(自身を除く): 203550500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 620579, 1241158, 2482316, 3102895, 6205790, 8067527, 12411580, 16135054, 32270108, 40337635, 80675270, 161350540]

約数ペア:

[(1, 161350540), (2, 80675270), (4, 40337635), (5, 32270108), (10, 16135054), (13, 12411580), (20, 8067527), (26, 6205790), (52, 3102895), (65, 2482316), (130, 1241158), (260, 620579)]