8278140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10613}}^1$

素因数の和:10638

約数の個数: 48

約数和(自身を含む): 24964128

約数和(自身を除く): 16685988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 10613, 21226, 31839, 42452, 53065, 63678, 106130, 127356, 137969, 159195, 212260, 275938, 318390, 413907, 551876, 636780, 689845, 827814, 1379690, 1655628, 2069535, 2759380, 4139070, 8278140]

約数ペア:

[(1, 8278140), (2, 4139070), (3, 2759380), (4, 2069535), (5, 1655628), (6, 1379690), (10, 827814), (12, 689845), (13, 636780), (15, 551876), (20, 413907), (26, 318390), (30, 275938), (39, 212260), (52, 159195), (60, 137969), (65, 127356), (78, 106130), (130, 63678), (156, 53065), (195, 42452), (260, 31839), (390, 21226), (780, 10613)]