66602380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{256163}}^1$

素因数の和:256185

約数の個数: 24

約数和(自身を含む): 150624432

約数和(自身を除く): 84022052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 256163, 512326, 1024652, 1280815, 2561630, 3330119, 5123260, 6660238, 13320476, 16650595, 33301190, 66602380]

約数ペア:

[(1, 66602380), (2, 33301190), (4, 16650595), (5, 13320476), (10, 6660238), (13, 5123260), (20, 3330119), (26, 2561630), (52, 1280815), (65, 1024652), (130, 512326), (260, 256163)]