99729220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{121621}}^1$

素因数の和:121671

約数の個数: 24

約数和(自身を含む): 214541208

約数和(自身を除く): 114811988

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 121621, 243242, 486484, 608105, 1216210, 2432420, 4986461, 9972922, 19945844, 24932305, 49864610, 99729220]

約数ペア:

[(1, 99729220), (2, 49864610), (4, 24932305), (5, 19945844), (10, 9972922), (20, 4986461), (41, 2432420), (82, 1216210), (164, 608105), (205, 486484), (410, 243242), (820, 121621)]