2013621560

素因数分解:

$2^3\times 5^1\times {\mathrm{2591}}^1\times {\mathrm{19429}}^1$

素因数の和:22031

約数の個数: 32

約数和(自身を含む): 4532630400

約数和(自身を除く): 2519008840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2591, 5182, 10364, 12955, 19429, 20728, 25910, 38858, 51820, 77716, 97145, 103640, 155432, 194290, 388580, 777160, 50340539, 100681078, 201362156, 251702695, 402724312, 503405390, 1006810780, 2013621560]

約数ペア:

[(1, 2013621560), (2, 1006810780), (4, 503405390), (5, 402724312), (8, 251702695), (10, 201362156), (20, 100681078), (40, 50340539), (2591, 777160), (5182, 388580), (10364, 194290), (12955, 155432), (19429, 103640), (20728, 97145), (25910, 77716), (38858, 51820)]