40640028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2195

約数の個数: 72

約数和(自身を含む): 112300944

約数和(自身を除く): 71660916

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 242, 286, 363, 429, 484, 572, 726, 858, 1452, 1573, 1716, 2153, 3146, 4306, 4719, 6292, 6459, 8612, 9438, 12918, 18876, 23683, 25836, 27989, 47366, 55978, 71049, 83967, 94732, 111956, 142098, 167934, 260513, 284196, 307879, 335868, 521026, 615758, 781539, 923637, 1042052, 1231516, 1563078, 1847274, 3126156, 3386669, 3694548, 6773338, 10160007, 13546676, 20320014, 40640028]

約数ペア:

[(1, 40640028), (2, 20320014), (3, 13546676), (4, 10160007), (6, 6773338), (11, 3694548), (12, 3386669), (13, 3126156), (22, 1847274), (26, 1563078), (33, 1231516), (39, 1042052), (44, 923637), (52, 781539), (66, 615758), (78, 521026), (121, 335868), (132, 307879), (143, 284196), (156, 260513), (242, 167934), (286, 142098), (363, 111956), (429, 94732), (484, 83967), (572, 71049), (726, 55978), (858, 47366), (1452, 27989), (1573, 25836), (1716, 23683), (2153, 18876), (3146, 12918), (4306, 9438), (4719, 8612), (6292, 6459)]