28205125540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{163243}}^1$

素因数の和:163468

約数の個数: 48

約数和(自身を含む): 60718932288

約数和(自身を除く): 32513806748

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 163, 212, 265, 326, 530, 652, 815, 1060, 1630, 3260, 8639, 17278, 34556, 43195, 86390, 163243, 172780, 326486, 652972, 816215, 1632430, 3264860, 8651879, 17303758, 26608609, 34607516, 43259395, 53217218, 86518790, 106434436, 133043045, 173037580, 266086090, 532172180, 1410256277, 2820512554, 5641025108, 7051281385, 14102562770, 28205125540]

約数ペア:

[(1, 28205125540), (2, 14102562770), (4, 7051281385), (5, 5641025108), (10, 2820512554), (20, 1410256277), (53, 532172180), (106, 266086090), (163, 173037580), (212, 133043045), (265, 106434436), (326, 86518790), (530, 53217218), (652, 43259395), (815, 34607516), (1060, 26608609), (1630, 17303758), (3260, 8651879), (8639, 3264860), (17278, 1632430), (34556, 816215), (43195, 652972), (86390, 326486), (163243, 172780)]