77266540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15641}}^1$

素因数の和:15682

約数の個数: 48

約数和(自身を含む): 183949920

約数和(自身を除く): 106683380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 15641, 31282, 62564, 78205, 156410, 203333, 297179, 312820, 406666, 594358, 813332, 1016665, 1188716, 1485895, 2033330, 2971790, 3863327, 4066660, 5943580, 7726654, 15453308, 19316635, 38633270, 77266540]

約数ペア:

[(1, 77266540), (2, 38633270), (4, 19316635), (5, 15453308), (10, 7726654), (13, 5943580), (19, 4066660), (20, 3863327), (26, 2971790), (38, 2033330), (52, 1485895), (65, 1188716), (76, 1016665), (95, 813332), (130, 594358), (190, 406666), (247, 312820), (260, 297179), (380, 203333), (494, 156410), (988, 78205), (1235, 62564), (2470, 31282), (4940, 15641)]