81446240

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6133}}^1$

素因数の和:6231

約数の個数: 48

約数和(自身を含む): 194766768

約数和(自身を除く): 113320528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6133, 6640, 12266, 13280, 24532, 30665, 49064, 61330, 98128, 122660, 196256, 245320, 490640, 509039, 981280, 1018078, 2036156, 2545195, 4072312, 5090390, 8144624, 10180780, 16289248, 20361560, 40723120, 81446240]

約数ペア:

[(1, 81446240), (2, 40723120), (4, 20361560), (5, 16289248), (8, 10180780), (10, 8144624), (16, 5090390), (20, 4072312), (32, 2545195), (40, 2036156), (80, 1018078), (83, 981280), (160, 509039), (166, 490640), (332, 245320), (415, 196256), (664, 122660), (830, 98128), (1328, 61330), (1660, 49064), (2656, 30665), (3320, 24532), (6133, 13280), (6640, 12266)]