2012130380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{21557}}^1$

素因数の和:21938

約数の個数: 48

約数和(自身を含む): 4563397440

約数和(自身を除く): 2551267060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 359, 718, 1436, 1795, 3590, 4667, 7180, 9334, 18668, 21557, 23335, 43114, 46670, 86228, 93340, 107785, 215570, 280241, 431140, 560482, 1120964, 1401205, 2802410, 5604820, 7738963, 15477926, 30955852, 38694815, 77389630, 100606519, 154779260, 201213038, 402426076, 503032595, 1006065190, 2012130380]

約数ペア:

[(1, 2012130380), (2, 1006065190), (4, 503032595), (5, 402426076), (10, 201213038), (13, 154779260), (20, 100606519), (26, 77389630), (52, 38694815), (65, 30955852), (130, 15477926), (260, 7738963), (359, 5604820), (718, 2802410), (1436, 1401205), (1795, 1120964), (3590, 560482), (4667, 431140), (7180, 280241), (9334, 215570), (18668, 107785), (21557, 93340), (23335, 86228), (43114, 46670)]