56126980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30839}}^1$

素因数の和:30868

約数の個数: 48

約数和(自身を含む): 145071360

約数和(自身を除く): 88944380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 30839, 61678, 123356, 154195, 215873, 308390, 400907, 431746, 616780, 801814, 863492, 1079365, 1603628, 2004535, 2158730, 2806349, 4009070, 4317460, 5612698, 8018140, 11225396, 14031745, 28063490, 56126980]

約数ペア:

[(1, 56126980), (2, 28063490), (4, 14031745), (5, 11225396), (7, 8018140), (10, 5612698), (13, 4317460), (14, 4009070), (20, 2806349), (26, 2158730), (28, 2004535), (35, 1603628), (52, 1079365), (65, 863492), (70, 801814), (91, 616780), (130, 431746), (140, 400907), (182, 308390), (260, 215873), (364, 154195), (455, 123356), (910, 61678), (1820, 30839)]